I like using the Scotch-Brite heavy duty sponges for those heavy duty jobs in the kitchen. They work really effectively for scrubbing off tough greasy food stains on my dishes. I like how completely durable they are, I have yet to have one tear or fall apart on me. I am able to use each one for at least three weeks before tossing them out and that is with every day use. They also work well on virtually any surface. Obviously as far as a sponge goes there isn't anything crazy amazing about them but it is nice to have a sponge that isn't crappy and that doesn't get super dried out on me after just a few uses. Performance They're pretty basically what you would expect from your average sponge. No real complaints or disappointments with them, they are quite durable and both sides work really well, the green side especially when it comes to having to scrub out tough stains and hard grease spots.