[ HIGH-QUALITY ]: Walker Glide Balls are made of chemical fiber and natural rubber, which is smooth and quiet when being used [ PROTECT YOUR FLOORS FROM SCRATCHES ]: Unlike plastic walker glides, our precut walker tennis glide ball will never cause scuff marks. With soft felt exterior protects your floor and carpets from being scratched [ WIDELY APPLICABLE ]: In addition to using as walker tennis balls, they can also fit on furniture legs, such as chairs, stools, tables, etc. They can prevent floor scratches and noise from dragging furniture Walker Tennis Balls