If you're tackling floor sanding or any big sanding project, these mesh sanding screens are absolute game-changers! The 17-inch diameter fits most floor polishers and rotary machines perfectly. The 220 grit is that sweet spot for fine finishing work - not too aggressive but still removes material effectively. The mesh design is genius because it reduces clogging dramatically compared to regular sandpaper, and when you hook it up to a vacuum system, you get virtually dust-free sanding. Each pack comes with 20 discs, which is enough for even large projects without constantly running to the store for more. They're washable too, so you can extend their life by cleaning out built-up dust. Perfect for wood floors, drywall, concrete, stone, or removing old paint and varnish. The double-sided design means you can flip them over when one side wears out, basically getting twice the use from each disc. The abrasive is embedded in the mesh so it lasts longer and cuts more consistently than cheap sandpaper. Whether you're a professional contractor or a DIY enthusiast tackling home renovations, these sanding screens will make your job so much easier and cleaner. No more breathing in clouds of dust or dealing with paper that gums up after five minutes. The quality is seriously impressive - they hold up well under pressure and don't tear easily. Your workspace will stay cleaner, your lungs will thank you, and your finished surface will look so much better!