Professional cornhole bags are precision-engineered to meet strict standards set by the American Cornhole League, ensuring consistent performance at the highest level of play. Regulation bags measure 6" x 6" and weigh 15–16 ounces, with tightly controlled tolerances so every throw feels the same. They use durable resin fill for long-term consistency and feature dual-sided fabrics—a slick side for speed and a stick side for control—allowing players to execute advanced strategies like blocks, pushes, and airmails with confidence. In sanctioned competition, only ACL-approved bags are used.