Material: High quality thick nylon fabric (waterproof, environmentally friendly, no smell, light weight, durable), lining is wear-resistant polyester, high quality smooth zipper. Dimensions: Mini backpack 9.76 inches (about 24.8 cm) (L) x 12.6 inches (about 32 cm) (H) x 5 inches (about 12.7 cm) (D), weight: 0.37KG, capacity: 9.8L, mini size, but very Spacious for iPad/iphone/Kindle, wallet, passport, book, umbrella, sunglasses, water bottle, cosmetics, snacks and other daily necessities. Space: This small backpack has multiple pockets, 4 external zip pockets (2 front pockets, 1 main pocket, 1 back pocket), 2 side pockets, 1 zip pocket inside, 1 ID pocket, 1 Cell phone pocket. The IPAD can be placed internally, but not for laptops.