COLEMAN COMPANY-Comfortsmart Small Round Red Plaid 38" x 44", for medium-sized pets weighing 25-65 lbs. ComfortSmart Coil System contours to your pet, providing firm support Made of tough polyoxford and cozy fleece, with a washable easy-on, easy-off cover Inflates in less than 60 seconds with QuickPump unit (sold separately) Coleman's Airtight System is guaranteed not to leak