High-quality materialsThe sliding door rollers are made of high-quality stainless steel and premium nylon. It has good wear resistance and elasticity, is strong and safe, and you can use it with confidence. Easy to installThe bathroom roller is very easy to install. Just align the wheels, tighten the screws, and you're ready to go. The sleek design makes the shower roller easy to use. (screws not included) Low noiseThe shower door is very quiet, with a smooth structure, and the top rail is uniform, stable, and stable. Its good stability and low friction coefficient provide a good silent effect. Perfect setThe sliding door rollers come with 8 rollers in total. The diameter is 17.7mm and the thickness is 4.7mm, which can meet the needs of most people. Applicable ScenariosThe bathroom roller is suitable for most shower rooms, shower stalls, shower rooms and steam rooms. You can install them at the top and bottom of your shower door for easy opening and closing.