【Material】: The swivel casters are made of soft rubber and TPE materials, are ultra-quiet, do not disturb anyone while working, have high elasticity, and can be used flexibly by 360°. 【Bearing Design】: Ball bearings, built-in bearing, steering design with steel balls, sealed bearing with low friction resistance, flexible rolling, can rotate 360 degrees, are stable, high temperature resistant, fast, dustproof and non-stick, and can be used for a long time. Built-in silent bearing, very quiet and durable. It is the ideal choice for all DIY furniture with mobile casters. 【Suitable for a variety of floors】: Made of soft rubber, which is soft and does not damage the floor. The rubber casters are elastic, strong, and durable. Suitable for all floor types, such as ceramic tiles, cement floors, marble, carpets, wooden floors, etc. Features: There is no brake, the 360-degree rotation allows completely free movement and the applicability is stronger. The wheels are made of soft rubber and