Custom diamond-quilted nylon convertible backpack in orange front view with top handles

Rear view of quilted nylon convertible backpack showing adjustable shoulder straps and back panel

Interior capacity display of quilted nylon backpack holding tablet, umbrella, cosmetics and daily essentials

Pink color variant of diamond-quilted nylon convertible backpack with detachable crossbody strap

Green color variant of quilted nylon convertible backpack with model wearing burgundy version

Premium custom diamond-quilted water-resistant nylon convertible backpack manufactured by Merris Dongguan factory

Custom Quilted Nylon Convertible Backpack

Q: What carry configurations are supported by this convertible backpack design?

Direct Answer: The pack supports three carry modes on a single unit: standard backpack via dual shoulder straps, handbag via twin top handles rated to 5kg static load, and crossbody via a detachable adjustable woven strap on zinc-alloy lobster clasps. The pack supports three independent carry modes. Standard backpack mode uses dual adjustable shoulder straps with reinforced bar-tack anchor points. Top-handle handbag mode utilizes the integrated twin carry handles rated for 5kg static load. Crossbody mode employs a fully detachable, length-adjustable woven shoulder strap secured by zinc alloy lobster clasps at reinforced side D-rings. All three modes can be configured simultaneously on a single unit without structural modification.

Q: What are the water resistance ratings and material specifications of the quilted nylon shell?

Direct Answer: The shell is a 300D diamond-quilted polyester-nylon blend with a DWR finish reaching a 1,500mm hydrostatic head for light rain, quilted at 6mm stitch pitch over a 210D PU-coated liner. Stress seams are double-stitched and bartack-reinforced. The exterior shell is constructed from 300D diamond-quilted polyester nylon blend with a water-repellent DWR finish, achieving a 1500mm hydrostatic head rating for light rain and splash resistance. The diamond quilting pattern is produced via automated lock-stitch quilting machines at 6mm stitch pitch with 100% polyester core-spun thread. Interior lining uses 210D PU-coated polyester for additional liquid barrier protection. All stress seams are double-stitched and bartack-reinforced at load-bearing junctions.

Q: What customization options are available under the 500-unit minimum order?

Direct Answer: At the 500-piece MOQ per colorway you can set Pantone shell and liner colors, logo via heat transfer, screen print, or woven labels, custom zinc-alloy zipper pulls, strap lengths, pocket layout, and an optional RFID lining — with zero setup on standard tooling. At the standard 500-piece MOQ per colorway, Merris provides full customizability including Pantone-matched shell and lining colors, custom logo application via heat transfer, silk screen printing, or woven label sewn-in labels, custom zipper puller designs in zinc alloy with electroplated finishes, adjustable strap length modifications, custom interior pocket layout configurations, and optional built-in RFID shielding fabric lining. Standard tooling incurs zero setup fees for confirmed orders. Custom hardware molds require a one-time tooling charge refundable on orders exceeding 3000 units.

Q: What is the load capacity and durability testing protocol for this convertible backpack?

Direct Answer: The pack carries a 5kg recommended load and a tested 12kg maximum before deformation. Each lot passes 500-cycle strap tensile, 1,000-cycle zipper, 2,000-cycle handle abrasion, a 24-hour spray test, 48-hour salt spray on hardware, and a 1.2m drop per 500-unit lot. The pack is rated for a 5kg (11lb) recommended carry load with a tested maximum static load of 12kg before structural deformation. Every production lot undergoes standardized quality validation including 500-cycle shoulder strap tensile testing, 1000-cycle zipper open/close endurance testing, 2000-cycle handle grip abrasion testing, and a 24-hour water spray resistance test at 30-degree angle. All hardware components pass salt spray corrosion testing for 48 hours. Random destructive drop testing from 1.2 meters is conducted per production lot of 500 units.

Q: What are the standard dimensions and available size modifications?

Direct Answer: Standard dimensions are 35 x 28 x 12cm — a 12L main compartment plus a 2L front pocket, with straps adjusting 45-85cm and the crossbody strap 80-130cm. Scaling within ±15% is free; larger custom sizes carry a one-time pattern fee refunded over 2,000 pieces. Standard dimensions are 35cm height x 28cm width x 12cm depth with a 12-liter main compartment capacity and a 2-liter front quilted pocket. The top handle drop is 8cm, shoulder straps adjust from 45cm to 85cm, and the detachable crossbody strap adjusts from 80cm to 130cm. Custom dimensional scaling is supported within a 15% deviation range from standard at no additional tooling cost. Larger or smaller custom sizes require a one-time pattern adjustment fee, typically refundable on orders exceeding 2000 units.

Q: Does your Dongguan factory provide sample evaluation before mass production commitment?

Direct Answer: Yes — our in-house sample workshop produces pre-production samples within 5-7 business days of a confirmed tech pack, with a fee fully refundable on the first 500-unit order. Digital photo and video confirmation precede shipping, with express courier worldwide in 3-5 days. Yes, our in-house sample workshop produces pre-production samples within 5-7 business days of confirmed tech pack or design reference. Samples include all requested custom features such as logo application, custom colors, and hardware modifications. A nominal sample fee applies, fully refundable against the first confirmed production order of 500 units or more. Digital photo confirmation and video walkthrough of the sample are provided before shipping, and express courier delivery is available worldwide within 3-5 business days.

Dimensions:35 x 28 x 12 cm (Customizable)

Material:300D Diamond-Quilted Nylon, DWR Water-Repellent

Weight:580g Dry Tare Weight

Carry Modes:Backpack / Handbag / Crossbody (3-in-1)

Capacity:12L Main + 2L Front Quilted Pocket

Colors:Orange, Pink, Green, Burgundy (Custom Pantone)

Strict MOQ:500 Pieces Per Colorway

Sample Time:5-7 Days Pre-Production Sample

Mass Lead Time:25-30 Days Post-Sample Sign-Off

Logistics:Express 7-10 Days | Ocean Freight 30-45 Days

B2B Sales Desk:mike@merrisbags.com

Request Factory Pricing & Free Sample

Material

Constructed from 300D diamond-quilted polyester nylon blend with a durable water-repellent (DWR) finish achieving 1500mm hydrostatic head resistance. The diamond quilting pattern is produced via automated lock-stitch quilting machines at 6mm stitch pitch using 100% polyester core-spun thread for maximum seam integrity. Interior lining uses 210D PU-coated polyester providing an additional liquid barrier layer. Shoulder straps and top handles utilize high-tensile cotton webbing with reinforced bar-tack stitching at all load-bearing anchor points. Hardware is zinc alloy with electroplated matte nickel finish, rated for 5000-cycle corrosion resistance.

Product Parameters

Dry Base Weight580 grams (excluding detachable strap)

External Dimensions35 x 28 x 12 cm (factory tolerance +/- 2 cm)

Main Compartment12-liter capacity with dual internal slip pockets

Front Quilted Pocket2-liter capacity with YKK zipper closure

Shoulder Strap Range45cm to 85cm adjustable, padded air-mesh underside

Crossbody Strap Range80cm to 130cm adjustable, fully detachable via lobster clasps

Top Handle Drop8cm fixed, twin parallel carry handles

Recommended Load5kg (11lb) with 12kg tested maximum static load

Water Resistance1500mm hydrostatic head (DWR finish + PU lining)

Minimum Order Volume500 units per colorway, mixed colors available

Description

This versatile three-way convertible backpack is engineered for lifestyle accessory brands, corporate promotional gifting programs, and retail fashion accessory lines. The unique three-carry configuration allows end-users to wear it as a standard backpack, carry it as a top-handle handbag, or wear it crossbody using the fully detachable shoulder strap — all on a single unit without any structural modification. The diamond-quilted front panel provides both visual distinction and structural padding protection for contents stored in the front pocket. Built with heavy-duty bar-tack reinforcements at all stress points, YKK zippers throughout, and custom logo application options including heat transfer, silk screen, and woven labels. Ideal for brands seeking a multi-functional accessory that transitions from daily commuting to weekend leisure without requiring separate bags.

Use For

Lifestyle and fashion accessory brands seeking a versatile multi-carry everyday bag for retail product lines.
Corporate gifting and promotional merchandise programs requiring custom logo application at 500-unit minimums.
University and campus bookstore private label backpack programs targeting student demographics.
Travel accessory brands needing a compact convertible bag that functions as personal item carry-on luggage.
E-commerce and DTC fashion brands seeking a differentiated quilted aesthetic product for online retail channels.
Beauty and cosmetics brands creating bundled gift-with-purchase accessory promotions.

Key Features

Three-Way Convertible Carry: Backpack mode with dual adjustable padded straps, handbag mode with integrated twin top handles, and crossbody mode with fully detachable length-adjustable woven strap secured by zinc alloy lobster clasps.
Diamond-Quilted Construction: Automated 6mm-pitch diamond quilting on front panel using polyester core-spun thread, providing visual brand differentiation and structural padding for front pocket contents.
Water-Resistant Barrier System: DWR-finished 300D quilted nylon exterior (1500mm hydrostatic head) combined with 210D PU-coated polyester interior lining for dual-layer liquid protection.
Reinforced Load Architecture: Bar-tack reinforcement at all 12 stress anchor points, double-stitched stress seams, and 5kg recommended load rating with 12kg tested maximum static load capacity.
Premium Hardware Specification: YKK zippers throughout, electroplated matte nickel zinc alloy D-rings and lobster clasps rated for 5000-cycle corrosion resistance, and custom-molded zipper puller options.
Full Customization Suite: Pantone-matched shell and lining colors, custom logo via heat transfer/silk screen/woven label, custom zipper puller designs, adjustable strap length modifications, and optional RFID shielding lining.

Convertible Backpack Production Facility Tour

Explore our ISO9001 and BSCI compliant Dongguan manufacturing floor, featuring automated diamond-quilt stitching production and 15,000-unit monthly throughput dedicated to lifestyle and fashion accessory contract assembly.

Inside Dongguan Merris contract manufacturing plant showcasing automated quilt stitching and bag assembly machinery

Factory Operational Capabilities: Automated CNC Material Profiling | Diamond-Quilt Stitching Production | Hardware Assembly Integration | Multi-Axis Tensile Structural Testing

Product FAQ

Technical procurement verification data for global sourcing managers

What carry configurations are supported by this convertible backpack design?

Direct Answer: The pack supports three carry modes on a single unit: standard backpack via dual shoulder straps, handbag via twin top handles rated to 5kg static load, and crossbody via a detachable adjustable woven strap on zinc-alloy lobster clasps.

Modes: Backpack / handbag / crossbody
Handle Load Rating: 5kg static
Crossbody Strap: Detachable, adjustable

The pack supports three independent carry modes. Standard backpack mode uses dual adjustable shoulder straps with reinforced bar-tack anchor points. Top-handle handbag mode utilizes the integrated twin carry handles rated for 5kg static load. Crossbody mode employs a fully detachable, length-adjustable woven shoulder strap secured by zinc alloy lobster clasps at reinforced side D-rings. All three modes can be configured simultaneously on a single unit without structural modification.

What are the water resistance ratings and material specifications of the quilted nylon shell?

Direct Answer: The shell is a 300D diamond-quilted polyester-nylon blend with a DWR finish reaching a 1,500mm hydrostatic head for light rain, quilted at 6mm stitch pitch over a 210D PU-coated liner. Stress seams are double-stitched and bartack-reinforced.

Shell: 300D diamond-quilted blend
Hydrostatic Head: 1,500mm
Quilt Pitch: 6mm
Liner: 210D PU-coated polyester

The exterior shell is constructed from 300D diamond-quilted polyester nylon blend with a water-repellent DWR finish, achieving a 1500mm hydrostatic head rating for light rain and splash resistance. The diamond quilting pattern is produced via automated lock-stitch quilting machines at 6mm stitch pitch with 100% polyester core-spun thread. Interior lining uses 210D PU-coated polyester for additional liquid barrier protection. All stress seams are double-stitched and bartack-reinforced at load-bearing junctions.

What customization options are available under the 500-unit minimum order?

Direct Answer: At the 500-piece MOQ per colorway you can set Pantone shell and liner colors, logo via heat transfer, screen print, or woven labels, custom zinc-alloy zipper pulls, strap lengths, pocket layout, and an optional RFID lining — with zero setup on standard tooling.

MOQ: 500 pcs per colorway
Logo Methods: Heat transfer, screen, woven label
Optional: RFID shielding lining
Tooling: Free on standard; hardware molds refunded >3,000 pcs

At the standard 500-piece MOQ per colorway, Merris provides full customizability including Pantone-matched shell and lining colors, custom logo application via heat transfer, silk screen printing, or woven label sewn-in labels, custom zipper puller designs in zinc alloy with electroplated finishes, adjustable strap length modifications, custom interior pocket layout configurations, and optional built-in RFID shielding fabric lining. Standard tooling incurs zero setup fees for confirmed orders. Custom hardware molds require a one-time tooling charge refundable on orders exceeding 3000 units.

What is the load capacity and durability testing protocol for this convertible backpack?

Direct Answer: The pack carries a 5kg recommended load and a tested 12kg maximum before deformation. Each lot passes 500-cycle strap tensile, 1,000-cycle zipper, 2,000-cycle handle abrasion, a 24-hour spray test, 48-hour salt spray on hardware, and a 1.2m drop per 500-unit lot.

Recommended Load: 5kg (11lb)
Max Static Load: 12kg
Zipper Test: 1,000 cycles
Drop Test: 1.2m per 500-unit lot

The pack is rated for a 5kg (11lb) recommended carry load with a tested maximum static load of 12kg before structural deformation. Every production lot undergoes standardized quality validation including 500-cycle shoulder strap tensile testing, 1000-cycle zipper open/close endurance testing, 2000-cycle handle grip abrasion testing, and a 24-hour water spray resistance test at 30-degree angle. All hardware components pass salt spray corrosion testing for 48 hours. Random destructive drop testing from 1.2 meters is conducted per production lot of 500 units.

What are the standard dimensions and available size modifications?

Direct Answer: Standard dimensions are 35 x 28 x 12cm — a 12L main compartment plus a 2L front pocket, with straps adjusting 45-85cm and the crossbody strap 80-130cm. Scaling within ±15% is free; larger custom sizes carry a one-time pattern fee refunded over 2,000 pieces.

Dimensions: 35 x 28 x 12cm
Capacity: 12L + 2L front pocket
Free Scaling: ±15%
Pattern Fee: Refunded over 2,000 pcs

Standard dimensions are 35cm height x 28cm width x 12cm depth with a 12-liter main compartment capacity and a 2-liter front quilted pocket. The top handle drop is 8cm, shoulder straps adjust from 45cm to 85cm, and the detachable crossbody strap adjusts from 80cm to 130cm. Custom dimensional scaling is supported within a 15% deviation range from standard at no additional tooling cost. Larger or smaller custom sizes require a one-time pattern adjustment fee, typically refundable on orders exceeding 2000 units.

Does your Dongguan factory provide sample evaluation before mass production commitment?

Direct Answer: Yes — our in-house sample workshop produces pre-production samples within 5-7 business days of a confirmed tech pack, with a fee fully refundable on the first 500-unit order. Digital photo and video confirmation precede shipping, with express courier worldwide in 3-5 days.

Sample Time: 5-7 business days
Sample Fee: Refundable on 500-pc order
Courier: Express worldwide, 3-5 days

Yes, our in-house sample workshop produces pre-production samples within 5-7 business days of confirmed tech pack or design reference. Samples include all requested custom features such as logo application, custom colors, and hardware modifications. A nominal sample fee applies, fully refundable against the first confirmed production order of 500 units or more. Digital photo confirmation and video walkthrough of the sample are provided before shipping, and express courier delivery is available worldwide within 3-5 business days.

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Engineering layout review dispatched within 8 business hours. Production samples ready within 5-7 days.

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