CanDo Foam Roller Cover, Accessory, Cotton Cover for 6" X 36" Round CanDo Foam Roller Covers prolong the life of your foam roller, protecting it from nicks, dirt and damage Slip a fitted knit cover on your foam roller quickly and easily Features a soft T-Shirt cotton material so you can comfortably use the roller with the cover on Covered zipper closure prevents the zipper from rubbing on the skin or getting caught up in a carpet Covers are machine washable and come in two sizes for round and half round rollers