Thermarest mattresses, 2, inflating valve-style, lightweight, never had a stuff sack, we use elastic bands to hold roll together - it's lighter that way. Dimensions 47" x 21", $35 EACH Elbow Room bottom sheet with pockets for Thermarest mattresses to slide into, zips onto a sleeping bag to form a summer-weight couple's bag, $25 If it is still listed, I still have it. If you want to see either, email with the time and day you want to come by.