1. Waterproof and moisture-proof, aging resistance, to avoid water on the pulley 2. Highly elastic TPE rubber, tight closure, prevent falling off, easy installation 3. Can pan to adjust the position, to protect the floor 4. Felt material at the bottom, silent protection of the floor 5. Scope of application: pulley chairs, shelves, cribs, freezers, etc. 6. Material: TPE, felt 7. Applicable flooring: tile/wood 8. Applicable size: 4.5-5.5cm 9. Single size: about 5.7 x 5.4cm
