HOS-D021 These are colorful rubber weight plates, essential accessories for weight - training equipment. They come in vivid colors such as blue, red, yellow, and green. Each plate is not only distinctively colored, making it easy for users to quickly identify different weights, but also made of durable rubber material. The rubber material offers many benefits. It reduces noise during use, protects the floor from damage, and provides a better grip, making it easier for users to load them onto barbells or fitness equipment.