X Training Equipment Premium Color Bumper Plate Solid Rubber with Steel Insert - Great for Crossfit Workouts Pro-grade: Trust the brand found in commercial gyms across the US. X Training olympic plates outperform the competition. Solid Construction: Go ahead and PR that lift without worrying about your plates. Designed for low bounce and high durability, X Training bumper plates are constructed of 100% solid rubber to withstand punishment. Fits Olympic Bars: X Training weight plates fit standard 2" olympic barbells. Strong warranty: X Training guarantees our products shall be free material defects in workmanship and materials under normal use and conditions during the warranty period. 10lb and 15lb plates are covered for six months. 25lb, 35lb, and 45lb plates are covered for three years. The warranty does not cover ordinary wear and tear or cosmetic damage.