Hongmo's glass bottles for cosmetic and body care uses are made from quality quartz sand. We are so confident that we offer a warranty against any defects for all of our products. The defective and broken bottles will be replaced in your next order or as you required date. For any damage occurred during transportation, we take full responsibility. Hongmo's glass bottles for cosmetic and body care uses are made from quality quartz sand. We are so confident that we offer a warranty against any defects for all of our products. The defective and broken bottles will be replaced in your next order or as you required date. For any damage occurred during transportation, we take full responsibility.