[STANDARD INSTALLATION DIMENSIONS] The chrome-plated brass head and fitted silicone gasket make the perfect rust-proof tub drain plug for any drain with a diameter of 70mm. It will keep your drain hole sealed. [SOLID BRASS] Most sink stoppers are made of plastic. Our premium tub stopper features a heavy brass flapper. [HEIGHT ADJUSTABLE] Our tub stopper can be easily adjusted and manually sealed. [EASY TO CLEAN - COMPLETE DISASSEMBLY POSSIBLE] Our 7cm bath plugs can be easily disassembled and cleaned. [PACKAGE INCLUDES] 1 tub drain plug with a diameter of 70mm, this is the perfect tub stopper for every bathroom. The bathtub drain valve is made of brass. Note: The data is all manual measurement, please allow 1-3cm error; due to the difference in light and display, there would be some color difference, please refer to the actual item received.