Come and see our amazing products. The material is a soft 170 polyester fiber, the applicable temperature range is 5 to 20 degree C, and the inner filling is hollow cotton, which has good bulkiness, warmth retention, breathability and comfort. The sleeping bag can not only sleep in it, but also can be fully opened and used as a quilt. The lightweight design allows you to easily and easily store and carry outdoors. The sleeping bag hat adopts a rope buckle design, which can freely adjust the tightness size. The head of the sleeping bag is designed with a high-viscosity Nylon fastening to prevent the double zip from opening. All online prices are shipping prices. 70.8"Lx 29.5"W. Pls confirm with us about the packing info, stock color and exact production time before placing your order.