This is the EXPED SYNMAT UL WINTER M. I purchased it for winter tent camping and used it twice at a campground. It's bulkier than a standard mat, but it's long and very warm. Before listing, I checked for holes and stains, and also inflated it and left it for 20 hours. There were no particular issues. I believe it is a beautiful item that can still be used. Although the sleeping mat itself is large, the pump bag is also large, and it can be inflated relatively quickly with about 10 pumps. Please understand that this is a used item and consider it after checking the photos. **** An ultra-lightweight and ultra-compact mat that offers exceptional warmth and comfort. The surface features a grippy skin honeycomb pattern coating that is comfortable against the skin and prevents slipping. The laminate is airtight and resistant to hydrolysis. The included Schnozzel Pumpbag allows for instant inflation of the mat while preventing moisture from your breath, which can affect the insulation, from entering. It also functions as an ultra-lightweight compression stuff sack. The proven flat valve has separate inflation and deflation valves, is non-protruding, and is more durable than conventional valves. Please check the photos for specific temperature compatibility. Brand: EXPED Model Name: SYNMAT UL WINTER M Size: 183 x 52 x 7 cm R-Value: 5.2 Contents: Mat, Schnozzel Pumpbag, Stuff Sack, Repair Kit (patches)