So I guess if you read the side of a drywall compound bucket it actually says to use a wet sponge. So these are called sanding sponges. So you're supposed to get the sanding sponge wet to then sand your drywall compound when it's on the wall. I'm not sure if it works very well. To be honest with you. I prefer to just get dust all over the place. But if you're one of those people who likes to be dustless, then this might work for you. Home improvement project DIY tips and tricks for you! #carpent