Patents:
Shoulder Strap Structure Patent (ZL202221622910.X)
Chest and Waist Strap Structure Patent (ZL202221622908.2)
Pelvic Pad Structure Patent (ZL202221622909.7)
Utility Model Patent CN217446972U (Authorized September 20, 2022)
Performance:
Pressure test results demonstrate significantly lower pressure values compared to ordinary spine protection backpacks under the same strap conditions (Pressure values in kPa: Left Shoulder 0.12, Right Shoulder 0.19, Left Waist 3.00, Right Waist 3.09, Thoracic Spine 0.3, Lumbar Spine 0.19)
Certified by Brand Certification with over 27 years of expertise and presence in 20+ countries and regions
Material Features:
Water-repellent (lotus leaf effect)
Abrasion-resistant and environmentally friendly materials
Certified abrasion resistance according to GB/T 3920-1997 with dry rubbing fastness rating 4-5
Design:
Trendy and creative style with multiple color options including deep blue
Easy two-step correct wearing method: adjust strap length according to body shape, fasten chest and waist straps
Care Instructions:
Do not dry clean
Do not bleach
Do not iron
Do not expose to direct sunlight
Do not rub vigorously
Suitable for gentle cleaning with sponge using water below 30°C
Air dry in a shaded area
Additional Information:
Over 1000 physical brand stores nationwide
Recognized for brand strength and quality assurance
Weight and size may vary slightly due to manual measurement and production batch differences; actual product prevails
| Width | 12.0 |
| Height | 34.0 |
| NetWeight | 0.99 |
| Brand | DR·KONG |
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| Product Name |
| Pressure-Free Spine Protection School Backpack |
| Target Users | Children approximately in grades 1-3; recommended height below 125 cm |
| Thickness | 16 cm |
| Weight | Approximately 960 g (±100 g due to manual measurement and production batch variations) |
| Capacity | 20.3 L (full load) |
| Material | Polyester fiber |