The namuk Seon backpack is completely waterproof, practically indestructible and the lining can be removed and washed. Suddenly even the littlest in the family want to carry their belongings all by themselves. Features: 3D air mesh shoulder straps, Extendable and easy to clean inner liner, Fully taped seams, High abrasion resistance, Lightweight, Reflective details, Removable waist straps, Security release chest buckle, Waterproofness: 3'000 mm water column, Waterproof rolltop, Durable water repellency (DWR) / PFAS-free. Material: Main material: 100% Nylon, Lining: 100% Polyester, Mesh: 100% Polyester. Country of origin: Vietnam.