Traveler Zita™ Multifunctional Tumbler | Eastman Innovation Lab

Traveler Zita™ Multifunctional Tumbler

Clarity and dishwasher proof durability with Eastman Tritan™ copolyester



Housewares brand finum®


finum®, known for its patented tea and coffee filters and pots, launched its first multifunctional tumbler, Traveler Zita™, perfect for loose leaf tea brewing while travelling.


“We needed a polymer material that resisted the temperature changes that occur during tea brewing,” explained Christian J. Justus, finum® Managing Partner, Riensch & Held. “It also had to be unaffected by dishwashing, be taste-free, easy to clean, and tough enough to withstand rough usage and still look appealing.”


“We found that Eastman Tritan™ copolyester easily meet all these parameters. It’s also BPA-free, and has been evaluated and received food contact clearances from the European Commission and United States Food and Drug Administration. We had already used it for our popular series of tea makers Tea Control™, so when we designed the Traveler Zita™, it was an obvious choice for this tumbler too,” detailed Justus.

Ascan Wendt, Product Manager of finum®, was impressed by Eastman Chemical Company’s exhaustive testing of Tritan™ copolyester. The tests demonstrated its resistance to heating and cooling, as well as kitchen conditions and detergents including multiple washing and drying cycles in commercial and domestic dishwashers. In these tests, Tritan™ showed continued resistance to hazing and stress cracking, and excellent retention of toughness and shatter-proof characteristics.


Available in translucent apple green, ruby red, or anthracite, the Traveler Zita’s™ lid resembles a tea cup for easy drinking while the tumbler is closed. The insulated walls of the tumbler make it suitable for hot and cold drinks and the new Corkmec™ seals the spout while on the move. By using leaf tea, Traveler Zita™ is the low-waste alternative to traditional tea bags; for a refill, just reopen Traveler Zita™ and add more boiling water.