45lb Wright USA Crumb Bumper Plates Pair - Free Shipping Wright Equipment Crumb Bumper Plates are made here in the USA Using 100% Recycled Rubber, these Bumper Plates are not only Enviromently Friendly but the most durable on the market. Built to Last With a 75-85 durometer level, these Bumper Plates are quieter, and more forgiving on your bar and floors when being used in Olympic Lifts. Tough enough to handle the punishment of intense daily use whether it is in a High School weight room, University weight room, CrossFit Box, Olympic training center, or your own home gym.