Buzz cup is a newly developed product which doesn’t have any equivalent in the world.It is a unique invention which can keep beverages cold between minimum 4 and 6 hours according to temperature after you take them out from the fridge in 1,5 liter glass or pet bottles; or after you bought them cold.Buzz cup is a 100% Turkish product that you can use everywhere in your daily life; for example, at home, office, and restaurant; in picnic, boat, trip, hotels. Buzz cup is a registered product; “it is preserved with industrial design and useful model patent.” Package: 12 pieces / package.