Sustainable: The sink strainer is made of high quality silicone, which is soft, light and not easy to deform, lightweight and not easy to deform. The sink is large enough to hold hair and food waste. Stable and Large: Each filter has 4 suction cup bases, can be stuck stably, not easy to move. The drain holes in the drain cover are clean and tight, so emptying is done very quickly. The size of the drain cover is 14 x 14 cm / 5.5 x 5.5 inch, so you can only use it for the drain below this size. cleanable, but only works on smooth tile or glass surfaces, not suitable for matte or uneven surfaces. as well as any residue you want to prevent and catch so the drain is smoother.