The STANDARD RING is a must have for any martial artist that wants to begin their ring training. The 14" diameter allows for greater range of motion and freedom of movement during solo practice. Traditional martial artists will appreciate the larger diameter of the ring because both hands can cover different gates at the same time. The size also enables practitioners to incorporate different modes of training like technique flow, iron bridge conditioning, and combat applications. Each ring is smooth with no exposed joint. NOTE: Rattan is an organic material. Allow for size variation due to the nature of the product.