We made this one wider and thicker to provide you with extra insulation and comfort on uneven or rough surfaces. The free flow valve lets you easily inflate it when you are ready to use it and deflate it when ready to pack up. The high quality 72 x 20 x 1 open foam core offers exceptional comfort and yet rolls up compact. Get a good night's sleep while camping or at home. Comes with cord-lock drawstring stuff/storage sack.