Purchased online from Montbell in September 2025. Stored without being used. Product Information A thin, firm foam cushion that alleviates uneven terrain, providing a "tatami mat"-like sitting experience. Ultra-compact design that can be stored in the top lid of a backpack. Specifications 【Material】Surface: 30-denier polyester ripstop, polyurethane coating, water-repellent finish Cushioning: Polypropylene, polyethylene 【Weight】55g 【Color】Red (RD) 【Size】26 x 32 x 0.5cm 【Storage Size】13 x 7.5 x 4cm