Remeehi Cute Colorful Backpacks for Girls School Bags Bookbag Casual Bag The backpacks are made of high-grade waterproof material. Size: 16.5"x11.4"x7.1"(HxLxW), weight: 0.5 kg Plenty capacity design, most of your daily necessities can be loaded fully Attribute: Waterproof, durable, adjustable shoulder straps Application: travelling, hiking, school bag, shopping, placing laptop, ipad etc