Expandable Modular Tumbler Cups

Clean the Sky - Positive Eco Trends & Breakthroughs

The Eureka Tumbler Holds 20-Ounces to 60-Ounces of Liquid

— November 20, 2025 — Art & Design
Conventional tumblers have become commonplace for water and coffee but are often associated with a hard-to-clean profile, so the Eureka tumbler is here to help change this. The tumbler is characterized by its modular construction that can hold 20-ounces in its original mode, which can be expanded up to 40-ounces with a Boost module or 60-ounces with two. The tumbler also allows the Boost module to be paired with a separate bottom and lid to be used independently to maximize versatility.

The Eureka tumbler is built with vacuum insulation and a copper lining that will keep beverages hot for up to 12-hours or cold for up to 24-hours. The cup is being launched as part of a Kickstarter campaign.

Image Credit: Eureka

Trend Themes

  1. Modular Drinkware — Modular drinkware offers consumers the flexibility to adjust capacity according to their needs using removable and interchangeable components.
  2. Crowdfunded Beverage Solutions — Crowdfunding platforms like Kickstarter are increasingly being used to launch innovative drinkware solutions, allowing creators to gauge market interest and secure initial funding.
  3. Insulated Drinkware Innovations — Innovations in insulation technologies, such as vacuum insulation paired with copper lining, are enhancing the ability of tumblers to maintain beverage temperatures for extended periods.

Industry Implications

  1. Sustainable Drinkware Industry — The sustainable drinkware industry is exploring modular products that provide consumers with long-lasting and versatile solutions to reduce single-use cup waste.
  2. Outdoor Recreation Products — In the outdoor recreation sector, adaptable and durable hydration solutions like expandable tumblers are meeting the needs of adventure enthusiasts seeking convenience and performance.
  3. Home Beverage Accessories — Home beverage accessories are evolving with expandable and customizable designs that cater to diverse consumer preferences for both home and on-the-go use.
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