This approximately 19-liter backpack covers everything from day hikes to everyday town use. The back features a stretch mesh panel, convenient for storing rainwear and other items for quick access. Boasting approximately four times the water resistance of polyurethane coating, it's durable and treated with Magic Protection to resist degradation like hydrolysis. Materials: Outer fabric/Nylon 100%, Lining/Nylon 100%, Mesh/Polyester 100% Size: 310 x 200 x 510 (h) mm Color: Black Please refrain from purchasing if you have even one negative rating. We will cancel your order if you do. Thank you for your understanding.