High quality material: The fender caps are made of high quality plastic, strong, durable and not easy to deform. The slat caps are easy to install, no glue is needed, and they are firmly packed and will not fall off easily. Can be used for steel pipes, aluminum pipes, chairs, tables and other furniture. Package list: 32 tube caps, 16mm diameter. If the round cap is slightly larger, press accordingly. Or use scissors and pliers to cut the teeth appropriately and install them. The teeth are elastic and bendable, so the tube wall thickness can be used between 0.5-2mm. Perfect design: The wing caps all have ribs for easy installation, so the tubes must be aligned before screwing. The ribs provide a secure fit and require no additional glue. The 16mm tube covers have 2 ribs which increase the durability of the tube cover and extend the life of the furniture. Powerful function: This round cap is like a furniture glove, protecting your beautiful hardwood, tile and linoleum from damage and scratches. Additionally, the covers help extend the life of your furniture by protecting it from rough outdoor surfaces like gravel and concrete. Wide range of uses: the 16mm round cap can be used on many types of furniture legs and metal tubes. Suitable for ceramic tile, hardwood, vinyl, tile and laminate floors. This round plug significantly reduces noise. You no longer have to worry when moving chairs and tables.