This sleeping bag liner is built to make nights outdoors more comfortable, whether you are heading off for a quick overnighter or a longer trip. Built with Polyester Fiber (High Elasticity), it is made for regular outdoor use. It works well for camping, hiking and backpacking, while features such as premium stretch fabric: made from high-quality, ultra-elastic polyester fiber, hygienic sleep solution: acts as a protective barrier to keep your sleeping bag and smart design features: integrated pillow pocket: a clever flip-over pillow help it earn its place in your camping gear. The design focuses on dependable everyday use, easy transport and the sort of functionality that suits Australian weekends away.