SAND-PROOF & WATER-RESISTANT – Parachute nylon with PU coating helps repel sand and moisture, keeping you dry on damp grass or sand. SPACIOUS YET PACKABLE – Large 7' x 7' size fits up to 4 people and packs down small into the attached stuff sack. SECURE IN WINDY CONDITIONS – Patented anchor pockets and corner stake loops help keep the blanket in place outdoors. LIGHTWEIGHT & TRAVEL-READY – Weighs just 12 oz, making it easy to carry for beach days, picnics, festivals, and camping trips. VERSATILE OUTDOOR USE – Ideal for the beach, park, campground, concerts, and spontaneous outdoor adventures. The Grand Trunk Adventure Sheet is a lightweight, packable outdoor blanket built for the beach, park, or campground. Made from parachute nylon with a PU coating, it resists sand and moisture to keep you and your gear dry. Patented anchor pockets and stake loops help keep it secure in windy conditions, while the attached stuff sack makes travel easy.