Camping Sleeping Bag for Adults Boys and Girls,Cold and Warm Weather-Summer, Spring, Fall, Lightweight, Waterproof Compact Bag for Camping Gear Equipment, Traveling, and OutdoorsPolyester,Cotton Made in China WATERPROOF MATERIAL The surface material of the camping sleeping bag is waterproof and breathable polyester fabric, and the filling material is hollow cotton, which is soft and comfortable. USED FOR 3 SEASON The rated temperature is 41 77F 5 25C. The comfortable temperature is 50 68F 10 20C. Waterproof design, dry and comfortable. DESIGN There is a zipper at the bottom to open the sleeping bag and use it as a blanket.