210lb Crumb Plate with stainless steel center ring offers amazing impact protection. Suitable for use on Olympic diameter bars, the Coloured Crumb Rubber Olympic Bumper Plates are durable and built to last. Crumb material can absorb more force,  more durable then regular bumper plates. Tested to give you anywhere from 10,000 to 30,000 drops.  Inferior plates can be up to 10% off of claimed weight making it impossible to use, Rest assured all our plates are tested to give you exact claimed weight with accuracy of 99%.