Description: Keep Your Warm: Thickened hammock underquilt filled with 200g hollow cotton, wrap the sides and bottom of your hammock,warm and cosy,protect you from the cold of winter,designed to fit snugly to all standard sized hammocks,suitable for winter outdoor use. Loose Design: Extremely loose design, can easily adapt to any position, lying down, curling is not a problem. Easy to Set Up: Very fast and simple setup and take down, a nice hammock underquilt suitable for hiking, camping, backpacking, backyard etc.. Compressible: Includes a nylon compression stuff sack for easy storage. Specification: Operating temperature: about -10 degrees. Fabric: 210t ripstop polyester taff wr waterproof treatment. Lining: 240t super soft pongee. Filling: 200g hollow cotton. Sleeping bag size: length 235cm width 130cm/7.7’x 4′ Storage size: height 35cm diameter 21cm/13.8′ x 8.3′ Package Includes: 1 x Underquilt (Hammock is not included) 1 x Carrying Bag Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item.