The surface is smooth, delicate to the touch, strong non-slip, very durable and easy to clean Inner wall anti-skid and fleece design Glossy waterproofing is far superior to other brands of sponges on the market. This product is suitable for people of different personalities. I believe that you or friends, children, classmates and family members like it. 100% new products, high quality products, if you have any questions, feel free to contact us, we will provide the best service.. Anti slip, shock absorption, soft touch, strong sense of support. . Suitable for riding force and steering control hardness. . Easy to install. . Application: mountain bike, dead coaster, folding car, etc. . Ultra Lightweight design,high quality sponge material,durable.