Material: durable oxford cloth & waterproof fabric inner layer. Machine washable. Color: black Size: L12.9’’xW6.69’’xH16.9’’/L33xW17xH43cm. 2 side pockets of different heights meet the needs of things of different lengths. Height of one side pocket: 7.87 in/20cm, height of the other side pocket: 5.91 in/15.5cm, high enough for water bottle or umbrella. Fits for most of standard wheelchair Sewn with nylon lines to make the wheelchair backpack more durable.With 2 loops, easy to hang to wheelchair. With large main compartment, you may storage your clothes, necessary medical supplies, newspapers, books, groceries, glasses in it. Two convenient side pockets with different heights for keeping different heights of water bottle or umbrella. One zippered pocket and one mesh pocket on front side may be used to keep your cards, keys, coins and etc. It is large enough to store your stuff for outdoor activities, out family visits, or going to hospital and etc. Wheelchair bag to hang on back is a great help to free your hands when you transport elders, disabled, patients in and out of his/her building in the wheelchair.