Hi Temp Bumper Colored Plates Bumper Plates, Hi-Temp Olympic Weight Plates with Colored Fleck-Rubber Weights Plates for Weight Lifting and Strength Training, Pair Our hi-temp plates can against both high and low temperatures, they also won’t chip floors, and they are quieter, safer than plates made from iron or normal rubber. Thus, you can use them not only in the gym but also in your home and outdoor. Hi-Temp bumper plate is indestructible and environmentally safe. With smooth, stainless steel center with rounded edges, the weights can easily slide on and off the Olympic bars without damaging the sleeves. Also the material is much softer and has better cushioning and longer life than others. They also won't damage your floor or bar since it will rebound while you drop it on your floor. Also, they make virtually no noise when they hit the ground