Deluxe Self Inflating Air MatFree flow valve for rapid inflation Cord lock stuff bag for portability and storage Provides comfortable cushioning on hard ground 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.