The Rubber Bumper Plates have the perfect durometer rating to absorb bounce and shock, preventing damage to your Olympic lifting bar. We offer different sizes such as 10lbs, 15lbs, 25lbs, 35lbs, 45lbs, and even a 260lbs set! BefitNow Rubber Bumper Plates are built from a nearly indestructible marriage of high quality rubber and a 2" stainless steel insert; giving you 10,000 - 30,000 drops and reducing stress on the lifting bars. On the field tests have shown BefitNow Fitness Rubber Bumpers bounce less than other high-end rubber bumper plates on the market which means that they absorb more shock and make less noise.