Lumi builds aluminum single-use cups designed to be familiar in form, keep drinks colder longer, and be recyclable as an alternative to plastic cups. The company emphasizes a no-compromise user experience—products that fit seamlessly into existing use cases without extra effort. After five years of development, Lumi is pursuing broader commercial expansion and brand work. The company plans to use the Series A proceeds to expand its product line and scale manufacturing capacity to meet demand. Founders cited in the announcement are Kevin Diamond, Paul Kradin and Steve Bauerfeind. No revenue, user metrics, valuation, or detailed prior funding history were disclosed in the announcement.

Total raised

$4M

Funding rounds

2

Latest round

Series A

Latest activity

May 2026