Feature: Made of high quality silicone, with good heat resistance and cold resistance Widely used for Pipes Tubes in Toilet, Bathroom, Kitchen , Floor and more Easy to install, plug and for play.Fast drainage.Adjustable Size. Automatic opening when draining, closing after draining. Functions:Insect prevention, Anti odor, deodorant, Anti defection When the water into the ground drain, the gravity of the water will open the bottom of the ABS gasket, dripping unimpeded. After disruption of water, ASB gasket is automatically closed due to gravity. Completely sealed so that the gas in the pipeline, pests and overflow can not be up. Note: Please be sure to measure the size of your own drain before buying. Item Type:Bathroom Materical : ABS +Silicone+Alloy Type:Drains Floor Drain Method:Deodorization Type Application:Bathtub Size: Open Size: A 39~45 mm, Depth 100mm B 39~45 mm, Depth 55mm C 35-39 mm, Depth 100mm D 27-34 mm, Depth 100mm Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 x Bathroom Floor Drain