Add-gear Cotton Soft Lightweight Sleep Sack Liner for Rented Sleeping Bags Add-gear™ 100% Cotton Sleeping bag Liner is an extremely lightweight and roomy sleep sack or sleeping bag liner. The liner is excellent as a warm weather sleeping bag or a rectangular sleeping bag liner. This linert is breathable and comfortable, which is ideal to bring to hotels, youth hostel, boats, planes, trains, or anywhere else you might travel. Our sleeping bag liners are made from high quality 100% cotton, making it comfort and soft and even warmer than a standard polyester liner. Natural fibers of cotton and much more skin friendly and cozy than synthetic Polyester ones.  SIZE AVAILABLE 34 x 75 inch (86 cm x 190 cm) WASHING INSTRUCTIONS: - Machine Wash Cold - Delicate Cycle - Do Not Bleach - Tumble Dry Low Heat