Rubber Door Wedge Stops - 6 Pieces - Flexible Anti Skid Rubber Material That Won't Mark up Your Floor (Grey) FLEXIBLE RUBBER - material which allows you to place under a door with wood floors or tile and still hold the door open. STACKABLE - if you have a clearance up to 1 1/2 inches tall you can stack these on top of each other and will still be able to hold the door open DISCREET YET FUNCTIONAL - These door wedge stoppers are small enough so they don't detract from the beauty of your home, yet can be set up on top of each other if necessary. WILL NOT LEAVE MARKS - The flexible rubber is malleable and won't give you cause for concern that it will mark up your floors or leave scuff marks. 6 PACK - you get 6 rubber door stop pieces with this purchase. 10.5 x 5 x 1.9 centimeters