Self Inflating Air Mattress is made from high-density premium grade open cell foam that is fully bonded to the outer fabric surface; Durable 1500 Oxford nylon shell holds bag securely to the pad and will stand up to many years of rugged 4-season use; 4000mm P.U. coating; 20" x 72" x 1" 3 lbs. 5 oz.; 3.2 R Value; Forest Green color.