80"" x 80"" Extra Large picnic blanket fits 6-8 people sitting or 4 people lying down, large enough for family and friends. Rolls up to 16"" long cylinder with 9"" diameter. Peva waterproof and sandproof backing for beach, park or bleachers, easy to shake off dirt, grass and sand. 3-layer structure with soft top fiber, middle foam for comfort during long use, and waterproof bottom resisting dirt, sand and water. Lightweight design with classic roll-up style, adjustable belt with hand strap for easy carrying. Suitable for picnic, camping, hiking, beach, park, outdoor concert, and indoor/outdoor play mat. Weight: 2.9 pounds.