The Gorilla Tap-In felt is a long lasting premium wool-blended felt that installs in seconds with a tap of a hammer, guaranteed not to fall off with its 5-prong holding power. Ideal for all floor surface types including Wood, Laminate, Tiles, Vinyl flooring High density long lasting premium wool blended felt Comes with a 1 year warranty Suits Furniture legs that are 25mm diameter Installation quick and easy