Plastic Drinking Glass Set For Drinking Milk Water Juice (Pack of 4)?? Unbreakable Plastic Mini Juice Water Glasses 4 pcs ?? Multipurpose unbreakable drinking glass 4 pieces ( material ABS poly carbonate plastic) These glasses are unbreakable, made out of Polycarbonate material for the ideal glass finish. Perfect for outdoor parties and available in different sizes for different drinks. Their break resistant design helps prevent against cracking or breaking. They're also dishwasher safe for added convenience.