... Size: 2'x4, 2'x8', 2'x10', 3'x5', 4'xx6', 5'x8', 6'x9', 8'x11', 9'x12' ... .2. Provides extra comfort underfoots and helps to extend the life and beatury of your rugs and floors. 3. ... Keeps rugs smooth to the surface making vaccuuming easier. 4. Can be trimmed to fit any size rug ... your carpets in place over hard surfaces, or reverse the product and use it on rug-to-carpet applications. ...