The exterior of the Padded Seat is made of vinyl material, which is waterproof and easy to clean. It only needs to be gently wiped. The interior is filled with high-elastic sponge, which makes it more resilient and comfortable. Product size: length 12"*width 12"* thickness 1.18" , the product is equipped with mounting screws and fixing brackets Easy to install: You only need a screwdriver for one person to install. There are installation holes on the back of the seat plate. You only need to fix the seat plate and tighten the screws to complete the installation. Please confirm before ordering: Please confirm the size of your original roller walker cushion, or you want to replace it with a larger cushion. Quality customer service: If you encounter any problems during use, please contact us directly and we will give you a reply within 24 hours. When your Rollator seat is broken. You don't need to buy a new rollerblader, we offer you a better solution to make your rollerblader look new just by replacing the seat. At the same time, it saves you money.