The Outwell sleeping bag liner is a convenient cotton liner that can be easily attached and detached using snap button fixing straps. The liner is designed to fit all full-sized Outwell sleeping bags and comes with attachment loops at each corner of the bags. Features include sleeping bag attachment points, protection for the sleeping bag, machine washability, and a carry bag. It has a 1/3 length zipper for ventilation and easy access. Size: 185 x 80cm (LxW). Shell: 180TC 20% cotton / 80% polyester. Pack Size: 22 x 10cm. Zipper: 1/3 length. Weight: 400g.