Starbucks Mirrored Glasses Cold Cup, 24 fl oz (Venti) Sunshine days call for this Venti-sized Cold Cup with the cool mirrored glasses design. Cat eye glasses with mirrored lenses create a fun pattern on this artistic Cold Cup. The tumbler features double wall construction that helps keep beverages cool and condensation off your hands. Black and white Siren logo. Hot pink reusable straw. Holds 710 ml/24 fl of cold beverages only. Handwash only. Do not microwave.