Size:M (length about190CM, recommended height :150-170CM) ;L (Length about 200CM, recommended height 160-180CM); XL(Length about 210cm, recommended height 170-185cm). High Quality Material:Air Cotton filling and polyester lining make this sleeping bag soft,warm,comfortable and durable.For temperature -5C to 5 C. Weatherproof Design:Keeps warm even under extreme conditions and prevents any moisture,provides maximum comfort and warmth,And sleeping bag with double zipper that can operate both inside and outside,more practical and convenient. User-friendly design:Easy to wear,tether design,greatly improved the windproof effect,reduce the convection of the outside cold air,so that the sleeping bag can keep warm.Portable packaging, just flatten it and fold it up evenly,put it into a sleeping bag. Multifunctional:This full body humanoid sleeping bag gives you the ability to walk or hang out without having to remove your sleeping bag.Suitable for all kinds of environments:camping,fishing,travel,travel,can also be used in the office and home.