OneFitWonder 250 LBS Bumper Plates Set/Olympic Weight Plate for Weightlifting Training/Pair of 10/25 / 45 / 45lbs Plates 250lb set includes: one 10lb pair and 25lb pair, and two 45lb pairs. Thinner than many of the competing bumpers- so you can load more weight on your bar! OneFitWonder bumpers use a rubber formulation that combines the ideal mix of low bounce with high durability. Virgin Rubber for high durability plus stainless steel "hooked" insert. Weight Tolerance +/- 1% of declared weight.