Miracle Movers 8 Piece Furniture Slider Set Each Miracle Mover is made of a highly polished polymer and fitted with a special cushion grip pad Set Includes: 4 Large Sliders (7" Diameter) & 4 Small Sliders (3" Diameter) Ultra Smooth Base To Prevent scratches, Extra Thick Foam That Conforms To Any Object They slide across carpeting like skis on snow, Even a loaded bookcase practically floats along Re-arrange your living room in just a few minutes. Move to a new home or apartment without having to ask your friends for help.