Fully deployable sleeping bag – can be pulled back to use as a comforter or mattress，Cap elastic cord – Freely adjust the nightcap to prevent cold air from enteringenvelope bagSpecification: 180CM bag length, cap is 30CM long, the total width of 75CMPacking: special Tote, lightweight and portable,Color : Green/Blue/Red/Navy blue/Net weight: about 1KGFiller : Warm and Soft Hollow Fibre,High quality hollow cotton, light and washable, mildew proof and moisture proof, high warmth protectionVisible air permeability – Polyester fabric to ensure air permeability, both warm and breathableVelcro design – two sides fit together to keep warm and air tight