Custom Kids Insulated Lunch Bags
Dimensions:25 × 18 × 7 cm (Optimized to match international bento box sizing)
Exterior Face:300D Tear-Resistant Filament-Dyed Oxford Cloth
Internal Core:High-Density 3mm EPE Closed-Cell Foam Core
Waterproof Liner:0.15mm Heavy-Gauge Food-Grade Seamless PEVA
Safety Compliance:Certified CPSIA, Lead-Free, Phthalate-Free, BPA-Free
Hardware Trim:25mm Child-Safe Ergonomic Soft Pullers
Net Tare Weight:120 - 150 Grams Ultra-Light Architecture
Color Schemes:Pantone Direct Custom Polymer Dyeing Runs
MOQ Rule:Strictly 500 Pieces Per Target Color Run
Sampling Lead:7 Days Technical Counter-Prototyping
Production Output:30 Days Bulk Factory Execution Following Approval
Freight Port:FOB Dongguan / Shenzhen Processing Infrastructure
Contact:mike@merrisbags.com
Material Architecture
This custom child thermal container is executed using an audited triple-layer compound matrix. The outer hull utilizes a high-density 300D lightweight filament-dyed Oxford textile treated with a dual-pass PU water-repellent backing. The specialized internal thermal
insulation comprises 3mm high-density structural closed-cell EPE foam, mitigating energy dispersion channels. The inner containment field features an odorless, heavy-gauge food-grade PEVA liner assembled via automated RF processing.
Product Parameters
Net Tare Weight120 - 150 Grams Empty Unit Target
Lining Specification0.15mm Seamless Non-Toxic Heat-Fused PEVA
Insulation Core30 kg/m³ High-Density EPE Closed-Cell Core
Thermal Efficiency4 - 6 Hours Calibrated Energy Containment
Ergonomic Hardware25mm Molded Lead-Free Soft Slider Pulls
Sizing Matrix25 × 18 × 7 cm (Scalable Blueprinting)
Technical Description
Engineered specifically for institutional buyers, school supply brands, and educational network distributors, this child-focused thermal pouch seamlessly matches legal chemical compliance parameters with structural execution longevity. The 7cm flat-profile architecture
allows quick insertion into high-capacity student backpacks, while our high-frequency dielectric line processing safely contains inner condensation. Heavy reinforcement bar-tacks provide multi-axis pull tolerances up to 150N on all load handles.
Design Applications
- Bulk institutional procurement systems managing unified public or private school equipment contracts.
- Corporate marketing back-to-school setups and children's sports club campaign distribution.
- High-tier juvenile gear retailers requiring absolute CPSIA and EN71 verification certification paths.
- Custom school lunch supply kits designed around custom-sized stackable bento boxes.
Key Engineering Features
- Audited CPSIA Safety Profile: Raw components undergo testing to ensure complete elimination of total lead, heavy metals, and classified phthalate variables.
- Ergonomic Hardware Interfaces: Oversized 25mm soft-touch zipper loops engineered with specific resistance values help reduce operational frustration for young children.
- Seamless Fluid Sealing: Fully weld-formed inner lining basins provide reliable fluid containment, retaining spills within the waterproof tray area.
- Lightweight Strain Management: Optimized bare weights below 150g reduce spinal loads during multi-hour active carrying commutes.
Kids Lunch Bag Production Facility Tour
Observe child-safe component assembly, ergonomic prototyping, and compliance verification on dedicated school supply production lines.
Factory Capabilities: CPSIA Material Verification | PEVA Heat-Sealing | Ergonomic Prototyping | Thermal Probe Testing
Product FAQ
Technical details for procurement teams
What safety certifications do your kids lunch bags meet?
Products comply with CPSIA requirements. PEVA lining is BPA-free, phthalate-free, and lead-free per FDA food-contact standards. Third-party reports verify ASTM F963 and California Prop 65 compliance per production batch.
How do you design for children's ergonomic needs?
Engineered for ages 4-12 with 120-150g total weight, 25mm oversized zipper pulls, and handle height positioning loads at hip level. Interior fits standard bento boxes (20×15×8cm) within a slim 7cm profile for cubby storage.
What thermal performance can parents expect?
3mm EPE foam with PEVA lining maintains safe food temperatures 4-6 hours at 20-25°C ambient. Cold items stay below 8°C for 4 hours; hot items above 60°C for 3 hours. Probe-tested in climate chambers before production approval.
How do you prevent leaks from spilled drinks or wet foods?
PEVA lining is heat-sealed rather than stitched for continuous waterproof barriers. Seams tested with 500ml water load for 2 hours. A 2mm PE base board prevents sagging that could stress weld joints.
What customization options work for school branding programs?
Sublimation printing for mascots, woven name-tag slots, reflective safety strips, and dimension adjustments for meal container programs. MOQ 500 per color; mixed-color orders from 1,000 total units.
What is the production timeline at 500 MOQ?
Samples ship within 7 days of artwork approval. Production lead time is 30 days post-sample sign-off. Express, air, and sea freight options available to meet school term deadlines.
Request Your School Supply Quote
Receive safety certifications, sample, and pricing within 8 hours.