The edge is sharp. Exercise caution when handling. / Test it first in an inconspicuous place. / Do not rub too hard. / Do not use chlorine-based detergents, bleach, and mold removers. / Do not use on easily scratched objects. / Immediately discontinue use if the product becomes deformed or damaged. / Keep away from fire and other sources of heat. / Do not use this product for purposes other than its intended purposes.