Ultra Comfortable, cool 100% cotton fabric is machine washable with like colors (Hang to dry). The durable zipper with 5 1/2" gusset makes removing and washing a breeze. Rectangular beds have cording on top and bottom, and comes with a removable liner and is overstuffed with High Memory Fiber that enables the bed to stay nice and soft for your pet. There is absolutely no plastic pellets or foam pieces in this bed. Check out the Fabrics! Available in 4 sizes.