[Anti-odor] The design set consists of a tubular trap and a drain trim with overflow. and the visible odor proof core automatically closes when there is no drainage, blocking odors. [Strainer Drain Plug] This sink drain kit comes with a strainer-resistant drain plug that collects hair and small debris to prevent the drain pipe from clogging. [High-quality materials] The drain plug is made of high-quality brass and stainless steel, and the flexible drain is made of high-temperature and corrosion-resistant plastic, to resist corrosion and rust. [Easy to install] The sink drains can be installed with bare hands and do not require any tools, saving you expensive labor costs. Suitable for washbasins with a diameter of 30mm to 40mm. Both the washbasin without overflow and the washbasin with overflow can be used. [ Two drain connections ] A flexible drain pipe of 300-955mm can be installed at the bottom or on the side to allow drainage in washbasins with partitions/drawers/wall-mounted