Magic Mountain Sleeping Bag - Muir Trail 165 Lightweight and compact sleeping mat, available in orange and gray. Material: Surface/Back: 30d Polyester, Interior: Thermolite Cotton Color: Mango Yellow Accessories: Storage bag with air pump Size: Length 168cm, Max Width 52cm, Thickness 5.5cm Storage: Length 25cm, Diameter 8cm Weight: Approximately 510g (mat body) Thank you for viewing. I purchased this new about three years ago, but I only used it once in the winter mountains, and have kept it stored at home since then. I think it's almost spotless and in good condition.