Universal Fit for Walkers, also fit for classroom style chairs, desk legs,Stools, and Tables. A must have for walker users. Also a ideal gift for family and friends. Perfect for heavy duty thickness/chairs, desks, stools, tables, walkers. Cross-Cut Opening——Our tennis Balls are precut for safety & easier installation. Our tennis Balls are precut to be ready to be installed. Cross cut opening to fit most walkers.No need to cut them yourself, no risk of injury, no need to waste time cutting old balls. Durable Materials Material:Felt and Nuture rubber Size:2.5inch Cross Cut size:2 inch Package Include: 4PCS Precut Walker Tennis Balls. Heavy Duty Thickness Precut Tennis Balls for Furniture Legs and Floor Protection Universal Fit Our Walker Balls fit most walkers. Scratch Free Protect your floors from scuff marksCompared with the plastic walker, our precut walker tennis balls will never scratch your precious hardwood,carpets ,linoleum or Pergo floors. keep Quiet Protect the floor and carpet with a soft felt materials, which can slide smoothly and quietly. Precut Tennis Balls can protect Tile, Concrete & Hardwood Floors with soft felt exterior. Recommended to use indoors for longer service life Carpets Hardwood Floors Tile Easy to Install Step 1 Remove all covers or glides from the walker. Step 2 Squeeze the Walker Tennis Ball Glides to open the pre-cut opening and slide the walker/Chair leg completely into the opening. Step 3 After the Walker Glide Ball is released, it will be firmly fixed in place.