What is a silicone sponge?   A silicone sponge is a type of cleaning sponge that is made of silicone. Unlike traditional cleaning sponges, silicone sponges are non-porous and do not absorb water or other liquids. This makes them ideal for cleaning tasks that require a lot of moisture, such as washing dishes or wiping down countertops.   Silicone sponges are also much more durable than...