Polyester     Sandproof, Waterproof, and Dry fast: Polyester is much superior in dusty resistance, water resistance, and wrinkle resistance. Our beach blankets are made from premium 210T parachute rip-stop polyester, which is the ideal material for waterproof sand-free beach blankets. Sand is always the biggest beach enemy of summer, so leave it where it belongs.     Exclusive Zipper Pocket Design: uniquely to be used on the beach - 5 zip-pockets and 1 integrated drawstring storage bag, 4 anchoring loops with 6 ground stakes are designed to be staked on the beach blanket on the ground, providing dual wind-resistant protection to keep the blanket on the ground even in high winds.     Extra Large for Extra Space:beach blanket extra large as 108" X 85.2" to fit 4-7 persons. Perfectly for beach vacations, the couple travels, Hawaii honeymoons, garden afternoon tea, park picnics, hiking, fishing, and kids' summer camps.     Compact & Lightweight:beach blanket has oversized, but it can fold into a compact size (9.25" X 5.75") that fits in a pouch to make a great, lightweight carry-along. With a waterproof sand-free beach mat, you can solve the not easy-to-carry problem, perfecting your beach vacation. Only 1 pound weight and kids can easily take for camping