The sink is made of stainless steel, heat resistant, stable enough at high temperatures, resistant to oxidation.Thanks to the 1 1/4 connection, this automatic drain plug fits most standard siphons and siphons.Ideal for your ceramic sink, glass sink or basic vessel for home, hotel, accommodation or other commercial premisesThe simple pop-up design makes this lid easy to use, just gently press the top lid to lock in moisture, then press again to drain the water.Caution applies to most sinks with openings of 40 - 55 MM.Make sure the spacers are positioned and formed correctly.Improper position of the Joint will cause a leak. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.