Tri-fold mattress with a breathable mesh surface, supporting comfortable sleep. - Brand: Sleep Spa - Color: Gray/Silver - Type: Mattress - Size: Tri-fold - Material: Polyester - Features: Breathable mesh surface Thank you for viewing. Original price approximately 50,000 yen. Used for 10 years. I think the condition of the urethane foam is good, with no noticeable sagging. No claims and no returns accepted. The zipper on the inner black cover is broken. It does not affect sleeping.