Bumper plates are weight plates made of high-density rubber. They are a standard diameter across all weights and are used in lifts (Olympic and CrossFit usually) where the loaded barbell is dropped to the floor. Their rubber construction protects the weights, the barbell, and the floor from damage So, again: the point of a bumper plate is to protect yourself, your barbell, your flooring, and your plates from damage during weightlifting when the barbell is at risk for being dropped. Because they're covered in virgin rubber, our bumper plates will NOT bounce into your drywall because of their low, dead bounce Bumper plates are weight plates made of high-density rubber. They are a standard diameter across all weights and are used in lifts (Olympic and CrossFit usually) where the loaded barbell is dropped to the floor. Their rubber construction protects the weights, the barbell, and the floor from damage. Designed for optimum performance with an inner stainless steel ring surround by all rubber to increase durability, assist with sound dampening, limit rebound, and provide top-tier shock absorption. Standard Bumper Plates in a clean black color palette with weights measured in pounds.