Complete your cornhole set or make a high-quality replacement with a Gronomics All-Weather Cornhole Bags - Set of 4. This water-resistant heavy-duty canvas bags are filled with pea rock, a gravel known for its consistency of weight and mass. Available in a wide range of colors to match your team and style, these high quality bags are made in the U.S.A. * All-weather water-resistant canvas bean bags * Official cornhole weight - 16 ounces * 4 inches square x 1 inch tall * Extremely consistent pea rock fill * Made in the U.S.A.