Come and Check Our Branding Solutions.The most comfortable part of this product is the adjustable cushion seat, which can be adjusted to your most comfortable angle. And its bottom is a soft white sponge, and its back is waterproof. There is a mesh pocket for easy storage. It can also be unfolded into a double seat cushion. When not in use, it also has a shoulder strap for easy removal. Pls check inventory and detailed info before placing your orders.