Nylon lining 【Any Occasions Casual Daypack】Our school bag is perfect for teenagers and can be used by girls and boys. Except use as travel bag,school bag, casual daypack. The school backpack is perfectly use as laptop rucksack, convenient for students to place electronic devices, such as 14 inch laptop etc.It is recommended for school/office/shopping/camping/hiking/trip/travelling/daily use. 【Durable Backpack】The backpack for women men take durable and practical high quality water resistant nylon, the material is anti-tear and easy clearing. Sturdy two-way zipper,smoother,flexible opening and closing. Adjustable padded shoulder straps for carrying comfortable. 【Multi-pocket Backpack】The book bag with a main zipper compartment,two zipper front pocket,two side pockets . The side pockets can hold water bottles and umbrellas. The spacious compartments and multiple pockets of the backpack keep your belongings organized and more easy to find. 【School Backpack Size】 32 x 45 x 16 cm/12.59×17.7×6.3inch (WxHxD). Generous, wide-open main compartment with a padded sleeve for a 14-inch laptop and several functional pockets allow you to keep all your devices securely and organized in place.