The Cold Steel Medieval Buckler is a shield manufactured by the company Cold Steel. The diameter of this shield is 12 inches and the thickness of it is half an inch. It weighs around 2 lbs and it is made up of high quality Polycarbonate. It is meant for the training purpose and is a replica of an original shield. It is thick and sturdy enough to give a feeling of a real shield. It is unbreakable and can take rough usage and hard conditions in which it is used to practice. However, it is not used for practicing with metal weapons.