TOMSHOO Water-resistant Outdoor Waist Bag Sports Waist Pack with Water Bottle (Not Included) Holder for Hiking Running Cycling Camping Climbing Travel [HIGH QUALITY MATERIAL]: 190T polyester shell and brushed fabric lining. .It's no harm to your skin, no smell. [Rugged Zipper]: The Zipper is rugged and the high quality sewing without excess thread [2 IN 1 USE]: It can be used as two separate single sleeping bags or a big double sleeping bag [PORTABLE & LIGHTWEIGHT]: Fits snug into the carrying bag for quick and convenient portability [WARM & COMFORTABLE]: Withstands weather of up to 14F ( -10C). Stay warm and cozy even when it's 14F~ 50F (-10C ~10C),Spring Autumn and summer are all applied