Item Type: Envelope Sleeping Bag Material: Nylon + Hollow Cotton Color: As Pictures Shown  Product Length: Approx. 180cm/70.9in, Width: Approx.75cm/29.5in Hood Length:Approx.30cm/11.8in, Purpose: Mountaineering Camping Function: Envelope Sleeping Bag with Hood  1、Envelope design with the same shoulder and foot width. The upper hood can be contracted to keep warm and keep out the cold  2、Hollow cotton filling, soft and comfortable, warmth retention property is strong.  3、With a zipper, smooth, unzipped, the sleeping bag can be spread out as a quilt or floor mat.  4、The head of the sleeping bag is designed with high adhesive hook and loop fasteners to prevent the zipper from unzipping accidentally and the cold wind pouring in.  5、Double end zipper, both inside and outside can be operated, more convenient to use.