The rigid durable shell of the Mod Sleeper stays put, offers superior support, and includes a washable, removable pillow filled with recycled polyfil. The exterior is a rugged 600 denier polyester. The interior is comfortable lycra. Black piping on the edge adds a touch of class. One year limited warranty. Features: Rigid, durable shell Available in three colors Removable, washable pillow 1 year warranty Dimensions: Small: 18.5 x 14 Medium: 23 x 16   Read less