http://www.yekasports.com/sleeping-gear/ SleepingGearFactory Product description锛?/strong> This is a Lightweight Double Sleeping Bag.It has a very good thermal insulation effect. Suitable for the whole family. The spacious interior allows users to sleep comfortably without feeling cramped. This Lightweight Double Sleeping Bag can block moisture, it is composed of multiple layers of composite materials, from top to bottom are water repellent coating, fluffy hollow cotton and polyester fiber lining. The hollow cotton is soft and comfortable, with good fluffy performance, which can effectively lock in warmth, soft and breathable. It is