Waxed paper cups offer superior water-resistance & improved portion control to conveniently handle your cold beverage needs. Double-sided, poly cups deliver reliable performance that's perfect for extended use. Superior moisture-resistance protects the cup walls from weakening. Cup is designed for Solo 12 oz. Clear Polystyrene Flat Lid with Straw Slot & Identification Buttons, & Solo 12 oz. PET Plastic Dome Lids (sold separately).