Mountain Trails Allegheny 25-Degree Oversized Sleeping Bag Shell;: 100% Polyester Liner Fabric: 100% Polyester Insulation Type: 100% Polyester Fiber Imported Oversized sleeping bag with 25 degree F temperature rating Filled with 5 pounds of hypoallergenic InsulTherm polyester fill Quilted polyester construction keeps fill from shifting Self-repairing coil zipper lets you mate 2 bags together Measures 81 x 38 inches; includes 2 bundling ties for storage