The bottom sealing ring is made of rubber material, to aging, acid, long service life, good leakage prevention effect. Made of PP material, it is environmentally friendly and to use. The design is reasonable, consistent with the shape of the bottom of the toilet, multiple sealing protection, and leakage prevention, high viscosity. This product is very convenient to install and disassemble. It can be used for ground pipe, wall pipe and straight pipe Suitable for many types of toilets, such as split toilets, integrated toilets, smart toilets. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:pp+rubber Package Contents: 1 x Toilet Connection Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.