The Walker Basket is 16.5" x 7.4" x 5.7", it's perfect for a variety of walkers of different sizes and brands. And it has extra 2 Mesh pockets inside to put all your Pad, Notebook, smart phone, and other necessaries. (NOTE: This walker basket will not fit rollator walker.). You can install it very stable and won't tipping over. It's very useful for carrying things from the kitchen to other rooms of the house. Made of high-quality water resistant 600D oxford and nylon fabric, you can just wash it if it's dirty. And we equipped with 2 elastic bands to fixed the water cup or bottles to prevent turning over, its designed as hexagons to maximize space.