1.Healthy kitchen sponges are made of Silicone. Its soft bristles easily reach the corners of glasses and cups,without causing any scratches to your precious tableware 2.This improved sponges kitchen are wear-resistant,scratch-resistant,flexible,unbreakable,not sticky and no deformed.can be reused for a long time.It is a bit bigger than the similar products on the market.Temperature-sensitive 3.Easy to Clean,Quick Dry & Dishwasher kitchen gadgets. Just rinse with water or put it in the dishwasher and hang the dish scrubber for speedy drying by itself,non-water absorbent and no residue 4.Multipurpose uses:It could be used for washing dishes plate,bowl,pot,non stick, pan,glasses,vegetables,fruit,car etc.also used as jar opener,silicone coaster,pot holder.