This is a Coleman inflatable mat. I originally purchased it used and used it once. I think it's relatively clean. [Set Contents] Storage case ●Material: Polyester, polyurethane foam ●Size when in use: Approximately 48 x 31 x 9 (h) cm ●Size when stored: Approximately φ10 x 32 cm ●Weight: Approximately 280g ●Stability is improved with the indentation in the center. Compact pillow with a good feel and non-slip processing. ●The surface has a good feel and a non-slip peach finish. ●The sponge inside uses cut-off pieces.