The Jump-O-Lene can accommodate two little jumpers. The bouncing mattress is constructed of two separate heavy-duty vinyl cushions for extra bounce. The vinyl is UV-damage resistant, and a repair kit is included. Supports a maximum of 120 pounds. Inflates with any air pump, or a 120-volt AC electric pump, sold separately. The Jump-O-Lene inflates to 80 inches in overall diameter and weighs 21 pounds