The backpack is made of 100% polyester fiber material, lightweight and portable With one large pock and 3 small side pock, enough to hold your umbrella, water bottle, mini Pad, wallet, mobile phones, keys, power banks and so on. Water repellent shell fabric Handy front pocket, easy to place or take your small items out. With YKK Durable zip fastener, fashion and casual match. Solid braces filling with EPE cotton, easy to loose and fasten, wear comfortable. Soft and ventilated, folding and anti-wrinkle, convenient to carry about. Adapt TW brand buckle, solid and durable. Perfectly meet your outdoor sport, travelling and daily needs to hold your personal effects.