THERMAREST PROLITE R Regular This is an inflator mat. Includes a storage bag. [Size] 51cm x 183cm [Thickness] 2.5cm [Weight] 510g [R-value] 2.4 Purchased at Kōjitsu Sansō several years ago and used about 10 times for mountain climbing. There are a few millimeter-sized stains around the center of the front side, near the feet, and around the center of the back side. Other minor stains may have been overlooked. Although it is used, the overall condition is clean. Another identical product is also listed. If you purchase both items together, we will offer a 1000 yen discount for the two items. Thank you very much.