Material: ABS+Silicone ring (The main part is product of plastic) Size : 4*4*6cm Color: White The outer core has a silicone ring, which are eliminated and decrease in protecting with the particular length of the drain. Use: Plug and play, smooth to install, deodorant, insect proof, anti-water, immediate drainage, challenging to block Suitable for 3 drains,both sink and surface drain are suitable. Packing: 1pc* Anti Odor Floor Drain Core NOTE 1 enable slight deviation for the measurement. 2 to the light and visual display unit difference, the item&;s shade could also be slightly diverse from the pictures,thanks for understanding.