With little to no bounce and easier to grip thanks to the recycled rubber casing, these Olympic weights make weight training much safer. They are perfect for a gym setting with lots of traffic or as cross training equipment for the home because the protective exterior makes for a longer lasting product and protects against damage from drops and dings. DESIGN: Sold Individually The Lifeline Rubber Bumper Plates meet IWF standards for length, weight and diameter Premium rubber provides durability, protection and little to no bounce- Made with a rubber durometer of 90 Shore A, which means there is little to no bounce Olympic bar-sized stainless steel collars for smooth, secure fit Available Weights: 10lb, 15lb, 25lb, 35lb and 45lb