Flexible satchel shoulder strap varied from 18 to maximum 36 inch can be adjusted loose or tight. Perfectly fit your body. Two ways of carrying: left or right. Relieve your pressure with long term take. Breathable shaped padded shoulder strap and back panel is extremely comfortable and lightweight, which will release heat rather than accumulate. Made of durable, water repellent polyester with top-quality zippers and durable strap clip. Main compartment is compatible with iPad Mini, Kindle Paperwhite and other 6-9 inch tablet and e-reader. Other multifunctional pockets can store phones, powerbank, wallet or outdoor/travel sundries. 2 side mesh pockets for water bottle (up to largest diameter 2.5 inch) and umbrella. 1 hidden zippered pocket on the back is convenient for your precious items. Flexible shoulder strap varied from 16 to maximum 39 inch can be adjusted loose or tight. Perfectly fit your body. Two clip buckles on both left and right form 2 ways of carrying. Relieve your pain with long term take. Small mini size, even suitable for children if without too much loaded.