The Jon Boat Cover is designed to fit a 12-foot long boat with a beam width of up to 56 inches. It is waterproof and trailerable, making it a practical and durable accessory for protecting and transporting your jon boat. This cover helps to keep your boat in top condition by shielding it from the elements and preventing debris from accumulating on its surface. Its sturdy construction and waterproof design make it a reliable choice for boat owners looking to safeguard their vessel during transport and storage.