Durable Nylon Fabric: The side bag is made of durable 1680D waterproof nylon fabric, which has a longer service life. It is also easy to clean, just wipe it with a damp towel. Large Capacity Pocket: Armrest storage rack can accommodate everything you need. There are 2 large pockets and 5 small pockets for storing laptops, magazines, books, phones, keys, and other accessories. Large Cup Holder Pocket: The specially designed large water bottle holder is suitable for most sizes of drinking bottles and is within reach. Open pocket design for easy access to items. Easy to Install: The top is equipped with three adjustable straps, and the bottom is equipped with two straps for easy installation and disassembly. All the straps are sewn tightly to achieve the load capacity you need. Multi Scenario Application: The armrest side pocket is suitable for all carts, wheelchairs, walkers, and office chairs, making it easier for you to store all the items you need while playing.