Body-Solid Full Commercial Premium Bumper plates are Made in the USA with recycled materials and a Stainless Steel bushing for long life and durability. Made to withstand the abuse in any weight room environment, the Premium Bumper plates won't chip floors and are quieter and safer than cast plates. These durable plates are thinner than most bumper plates allowing users to load more weight on bars and weight carriage systems. The plates have been proven in the toughest Gyms, Colleges and home use for over 10 years.