envelope , mummy sleeping bag avalable all size and color and desgin avalable lots of material for choose sleeping bagsize:230x80x50cmShell: 190T polyester or 170t polyester w/r,Lining: Polyester Cotton(TC) or cotton or polyesterFilling: 200g or 250g or300g Polyester Hollow Fibre or polyesterthe shell can be change to cotton or nylonthe lining material can be cotton, polyester, nylon,non-weavon ...