The shower drain grate is made of quality solid metal stainless steel and the surface of the shower drain stopper is treated, which can prevent pollution, the drain cover will not fade over time. The diameter of the metal shower is 4.25 inches in outer diameter with 4 pins on the drain cover on the back, just snap this shower drain cover firmly onto the drain top until the floor drain grate cover is snug, which fits most bathroom drain pipes. This drain cover accessory can prevent dirt from entering the drain pipes, such as hair, soap scum, rubber hair ties, etc. The teeth of this Snap-In SHOWER DRAIN GRATE can be adjusted to fit any drain, you can easily install it with a simple click, tool-free installation, do not use a plumber's putty for installation.