DR·KONG Middle School Student Backpack Girls Spine Protection Lightweight Boys Trendy Large Capacity High School Student Shoulder Bag

Ergonomically designed with chest strap to reduce load and protect the thoracic spine from pressure

Internal compartment designed to hold books from largest to smallest, fitting closely to the back to prevent shifting and promote upright posture

L-shaped load-bearing structure to conform to the back

Lightweight but designed to maintain spinal protection; not excessively light to avoid compromising support

Water-resistant and abrasion-resistant eco-friendly materials with lotus leaf style waterproofing

Certified abrasion resistance and color fastness according to GB/T 3920-1997 standards (dry rubbing 4-5 rating)

Complies with the People's Republic of China Health Industry Standard WS/T585-2018, limiting backpack weight to no more than 10% of student's body weight

Strict size selection based on child's height is advocated since 1999 to ensure optimal spinal protection

Weight and size measurements may have slight variations due to manual measurement and production differences; actual product shall prevail