**Product Specifications:**
**Brand:** KVG
**Product Name:** Spine Protection School Bag
**Material:** Fabric
**Capacity:** Small size approximately 18L, large size approximately 22L
**Weight:** Small size approximately 750g, large size approximately 900g
**Dimensions:**
- Small size: 37cm, fits A4 size books, width 21cm x height 29cm
- Large size: 39cm, fits A4 size books, width 21cm x height 29cm
**Recommended Height:**
- Small size: 100-130cm
- Large size: 130-170cm
**Product Features:**
KVG brand professional spine protection school bag
Lightweight design with high-density foam sponge for spine support
Antibacterial and water-resistant with large storage capacity
Adjustable load reduction system to prevent potential risks to children's spine
Ergonomic design with thick and high-rebound shoulder straps
U-shaped load-reducing back cushion to support lumbar muscles
5S spine protection system for balanced pressure distribution and ventilation
EVA foam back cushion with three layers for impact absorption and ventilation
900D ballistic Oxford fabric for durability and antibacterial properties
Reflective strips for visibility and safety during night travels
**Additional Information:**
Suitable for children to carry A4 size books
Encourages good organization habits with multiple compartments
Waterproof nylon material for rainy days
Reflective strips for visibility during nighttime activities
Available in small and large sizes for different height ranges
