[DURABLE MATERIAL]Shower Door Rollers are made of alloy material, strong hardness, wear-resistant, Sliding Shower Doors Wheels and can be used for a long time in a humid environment.[SIZE]The Shower Door Rollers size is 23mm, we have a total of 4 pieces, aluminum alloy upper and lower double wheels, enough quantity is enough to meet your needs.[EASY TO SLIDE AND NO NOISE]No Noise to open the shower door and these Shower Door Rollers help it slide smoothly, Save space and enhance the overall aesthetic.[SCOPE OF USE]Shower Door Rollers slide is easy to install. , The shower door rollers are used in most shower rooms, sauna rooms, and steam rooms,[VERSATILE APPLICATION]Shower door rollers wheels for massage cabins, bathtubs, whirlpools, and even furniture, Sliding Shower Doors Wheels enjoy a long lifespan and reliable performance.Color: silverMaterial: AlloyPackage Contents:4 x Shower Door Rollers4 x anti-collision blocks4 x screwsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.