Environmentally friendly materials: Made of brand new ABS material, non-toxic, harmless and durable. Suitable for installation in circular ceramic holes with a diameter of 48mm to 55mm. High precision electroplating: Global button electroplating, shiny and shiny surface, adapts to humid bathroom environment, resists acid and alkaline corrosion. Economical quality: Made of stainless steel springs, durable and non-sticky. Dual buttons, half row water, and full row water are optional, which can save water. Double push toilet accessories: Equipped with two 10cm long screws, which can be cut as needed to fit toilets of different heights. It’s flexible and convenient. It is a perfect high pressure pumping accessory. Easy to install: All parts are easy to install - dual flush water saving feature, compatible with most dual flush toilet systems. Modern design, suitable for various toilet tank buttons.