These convenient HealthSmart Walker Coasters will help your walker glide over most surfaces, including carpets, floors and sidewalks. They will outlast tennis balls every time, plus the bright color helps you see where you are going. The glides fit walkers with 1 in. Dia. legs and are easy to install. Just remove existing leg cover or tip. Place walker coasters on front or back walker legs. Press firmly to attach. You're ready to glide along most surfaces. Each package contains two Walker Coasters.