Does Mr Clean erasers have chemicals?

The material is commonly called melamine foam. They are made of formaldehyde-melamine-sodium bisulfate copolymer.

These power house sponges can tackle anything from scruffs on walls to stovetops. Make sure to always wear a pair of gloves while using a magic eraser and never apply it directly on your skin.

These one-handed wonders can work a little too well—particularly on polished and easily scratched areas.

7 Don’ts 

1. Don’t use them dry.
2. Avoid finely painted surfaces.
3. Don’t use them without gloves.
4. Don’t use them on granite or marble countertops.
5. Do not use them on stainless steel.
6. Don’t use them without spot testing first.
7. Don’t use them on non stick pots and pans.

Are these sponges safe for the environment? They are not biodegradable or “eco-friendly”.