"Q” Guarantee. Products marked with “Q” symbol are not covered under lifetime warranty but are still guaranteed to be free from manufacturing defects. They will be replaced, if defective, provided they are returned within 30 days from the purchase date. It does not cover for any damages due below reasons: Mis-use Wrong application Breakage due to impact Staining Burned or deformed by a heat source Prints on the product have worn off by washing using abrasive powder or sponge or contact with corrosive chemicals Animal bites (rat bite, insect bite, etc)