Well constructed, our kitchen strainer filters were made of silicone and plastic.Silicone underside effeprevent scratches the sink effectively, non-deforming.Durable protection against dirt, dishwasher safe Easy to use place well in the kitchen sink and pick up the center post to remove.Soft, sturdy silicone reverses for easy debris removal.There is a small post in the center to allow the strainer to be easily grabbed and removed if necessary Prevents clogging - ergonomically designed slot holes trap food debris, prevent clogging and drain water easily Stain Resistant Petals -- Petals will not fade, stain or discolor.Simply wash and rinse with warm or cold water.Easy to clean Interesting Uses---For painting, you can match and mix the various colors of pigments together, and pour into the strainer to get the beautiful visual effect, it can be applied for creative painting, even dessert making and so on