These scrubbies are all hand crocheted with nylon netting. They work great on all surfaces. Not only for your kitchen, but other uses by our customers have been for getting bugs off of grill on your cars and windows, cleaning baby bottles, scrubbing oil off tools, vehicle and people. Comes in multiple colors. One of most popular items. To clean either machine wash on cold or put in dishwasher. Allow 1-2 weeks for shipping please. Thank you.