QUALITY: These Drinking Cups are made Out of High Qualty Heavy Duty PET Durable Plastic MaterialBPA FREE - RECYCABLE - REUSABLEGreat Use for Milkshake, Slush, Slurpee, Iced tea, Iced Coffee, Frozen Cocktails, Beer, Cold Drink, Ice Cream, Smootys, Razzles, Bubble Boba Tea, Lemonade, & Any Cold Drink