You have options when it comes to material to fill your trusty shooting bag or rest. Sand is heavy – and even heavier wet and other materials can get moldy or break down. Choose a material that will withstand the test of time. Shooter's Choice's shooting bag fill is composed of recycled rubber granules. Additionally, the material easily conforms for a sturdy hold when sighting in, target practice and more. Offering the perfect amount of material to fill the Shooter's Choice AccuRest Shooting Bag, it includes 14 pounds and fills approximately 0.5 cubic feet.