Unused item. Due to aging, the adhesive on the outer bag has weakened, and it naturally opens. The contents have not been taken out and have not been used. This is a self-inflating mat that inflates naturally when the valve is opened. No power is required, making it a useful mat for disaster preparedness and emergencies. ▼Size Approximately 65cm x Approximately 200cm Thickness: Approximately 3.5cm (when in use) ▼Material Surface: 100% Polyester Filling: Urethane foam Backing: Non-slip treatment ▼Recommended points ・Easy setup with automatic inflation ・Reduces floor coldness and hardness ・Ideal for disaster preparedness, car camping, guest use, and as a nap mat ・Reliable Nishikawa brand ※This is a set of 【2 pieces】 Please check the photos for the condition and only purchase if you understand.