This sleeping bag has a special spherical design, the fabric is made of 300T Pongee, lined with 100% facecloth lining, and filled with 200 g/m2 hollow fiber, our camping oval cotton sleeping bag has a new diagonal quilting design, which can better hold the cotton, lock every inch of temperature, and enhance the warmth of the bottom of the sleeping bag. Semi-circularis cucullo cum Novifacta Drawstring custodit vestri caput calidum. Duplici postesided Zipper ad imo ad Velox VENTILATIO et facile ad unzip ex extra vel intus. Insuper ad esse solebat sicut dormienti peram, quod potest etiam esse sicut in stragulum aut picnic Matth. Apparatus washable, idealis pro familia itinera aut car castra.