IMPROVES WALKER GLIDING MOBILITY for any senior or person with mobility impairment over time. Use real tennis balls with the highest quality felt, which glide optimally over doorways, sidewalks and carpets where other mats get stuck. PRE-CUT STAR OPENING FOR AND UNIQUE SECURE FIT - why risk injury or waste time cutting old balls. Our specially designed cut pattern provides a much better fit than any other walker balls on the market. PROTECT YOUR FLOORS FROM SCRATCHES - Unlike plastic walker gliders, our specially cut walker balls in a 4-pack will never cause scuff marks or scratch or mar your precious wood, linoleum or Pergo floors. Glides easily over most surfaces. CHOOSE YOUR STYLE and express your personality with not the same old boring yellow, blue or purple, but choose from four animal prints! (Zebra, Tiger, Cheetah and Leopard.) SUPER EASY TOOL-FREE INSTALLATION - Easily slides onto 1 1/8" tubes on most walkers easier without additional tools. And we use real tennis balls, not cheap toys, providing maximum durability to withstand long-term use