Material:Silicone material is flexible and pliable.This silicone sink protectors for kitchen sink conform to a slight curve up the sink side,cushion the sudden force if dishes or bowls fall into the sink.A good sink for your fragile glassware and stainless steel or ceramic sink Raised and Solid Bottom Feet:Non slip and raised feet to elevate the kitchen sink mats with drain holes to allow little food particles and water to run through them,Protect the Sink from Scratching Dish Drying Mat:Also work as a dish drying mat under the sink.The kitchen sink grid has a center opening for the sink drain,and fits most double or single bowl sinks center drain hole Heat resistant:You can safely place pots and dishes in the sink or porcelain countertop directly from the oven or stove.Also use as a drying grid,dishware drainer,drain rack,cooling rack,defrosting grid,etc Warm Tips:The irregular patterns designed can effectively hold the food residue.It is recommended that the silicone sink protectors for the kitchen sink with a periodical cleaning to avoid many scraps heaped