Gliding over concrete, carpet, tile or linoleum, these walker coasters help your walker slide smoothly in all directions—easily maneuvering over bumps or cracks in sidewalks and doorways. In bright “tennis ball yellow”, walker gliders are highly visible, making it easy to find your footing and avoid tripping or stumbling. Simply slip over walker legs; unique O-ring holds coasters securely in place. Set of 2; each, 2 1/2"dia. Fits standard walker tubing.