100% Nylon IDEAL SIZE OF SAND FREE BEACH MAT-Include 83"X"79"" sized beach / picnic blanket which comfortably fit 4-6 adults . With the completely sand free and waterproof function, Just shake the mat and the sand brushes right off the blanket and the beads roll off. pocketed size sand free beach blanket offer an enjoyable sand free beach day 1* CARRY BAG & 4 *ANCHOR STAKES-The package include a carry bag and 4 *Anchor Stakes, Our sand free beach blanket designed offers plenty of places to put your valuables including a pocket with buckle to store your phone, keys, sunglasses, sunscreen or other beach gears. Build with the high quality material ,the beach mat is great for beaches,picnics,parks,family trips,sports events,camping, hiking, fishing, other occasions and outdoor activities"