Polyester&Nylon Zipper closure MATERIAL: High strength nylon with waterproof coating, resist tear and abrasion. Durable, waterproof and lightweight. CAPACITY: 10L, Size: 33*23*17cm (13*9*6.7 inches),suitable for the max length of 10 inches.Suitable for Children Under 5 Years Old.Suitable for Height Under 4 feet.PLEASE kindly confirm the size is what you need. MINI PORTABLE:Perfect for traveling, hiking, cycling,camping and other outdoor activities MULTIPLE POCKETS :Generous main compartments and multiple pockets allow you to keep all of your gear secure and organized. A dedicated sleeve for your tablet.aa zippered mesh pocket, pen pockets, lidded media pocket and key fob hook are perfect for keeping all of your smaller items secure. HUMANIZED DESIGN :With the ultra light weight and wide shoulder straps, Breathable mesh shoulder straps which helps relieve the stress of shoulder.