Great for a week or two
I love the idea behind this product, but the quality isn't what I'd hoped. They seem great at first and are well constructed with cloth threading attaching the scrubbing side to the sponge, however the scrubbing surface pretty quickly begins to deteriorate. I may have used it on something rougher without realizing how rough it was, but the scrubbing side is already shredding and starting to fall apart after only two or so weeks. Hopefully the other five that I have hold up a bit better or I'll be looking for another biodegradable option.
amazon reviews