TUPPERWARE ECO SPRING Drinks Bottle 500ml 4-pc Set Tumblers MADE WITH ONLY NON-TOXIC FOOD GRADE MATERIALS TO STRINGENT WORLD SAFETY STANDARDS, YOU CAN HAVE THE PEACE-OF-MIND THAT YOUR DRINKING WATER IS SAFE FROM CHEMICALS AND CARCINOGENS. PREMIUM QUALITY AND DURABLE, ALL YOU NEED IS TO REUSE ONE ECO BOTTLE, AND YOU WOULD HAVE DONE YOUR BIT TO REDUCE YOUR GARBAGE CONTRIBUTION. ALSO, WITH A LIFETIME WARRANTY, VERY FEW ECO BOTTLES ARE DISPOSED OF INDISCRIMINATELY. IN FACT, ALL TUPPERWARE CONTAINERS THAT ARE RETURNED ARE RECYCLED BACK INTO OTHER NON-FOOD CONTAINERS.