The premium cornhole bags are made from durable duck cloth fabric double-stitched. Perfect to be used on any playing surface (grass, gravel, concrete). Provide tear resistance excellent durability, and abrasion resistance. The all-weather cornhole bags with built-in waterproof nylon inside the bag, and filled with resin pellets so they can handle all weather even rain! This cornhole bag is superior to other away old corn-filled bags that are not for all weather or sand-filled bags that leave a cloud of dust.