The reusable will keep the for tastes of the liquid nice without diluting your drinks. Our reusable are food grade LDPE, which with purified water and are harmless in for case of any accidental breaks, leaks or damage. You can enjoy the refreezable for drinks with your and family comfortably and assured. the of and put in the refrigerator for at least 5 hours. Then put and drink in the glass. It can be used repeatedly, Just wash, dry, freeze, in your drinks, and again. Package includes: 6pcs /Set (excludes other accessory in pictures)