Large Size: Dimensions in length 98.4 inches, maximum width 66.9 inches, the single and a double hammock underquilt can be used with almost all camping hammocks on the market today, great fit for double hammocks, allows you to lay asymmetrical or diagonally to get the best comfort in your hammock. Premium Material: Featuring 20D Ripstop Nylon Shell with a DWR coating and 240T Polyester Pongee Lining, SEE Polyester Filling that's ripstop, wind-proof & water repellent, a simple yet effective barrier between you and the elements outside. 3 Seasons Quilt: Soft 240T polyester pongee lining; Enough 300g hollow cotton filling, is warm and cozy, protecting you from the cold of winter. Comfortable temperature in 20°F – 68°F, a great way to extend the hammock camping season.