Size Chart Worried about what size to order? Don't be. If the fit isn't perfect, we'll be happy to exchange it.

Ultra–light weight, incredibly strong, and optimized for the longest glow time possible, the Lume ring combines our proprietary Forged Carbon Fiber with a luminescent interior in a striking design. Unlike the industrial aesthetic of most carbon fiber products, Forged Carbon Fiber features a depth of layers evoking the look of honed marble. Inside, the ring is fitted with a luminescent resin, allowing it to glow brightly after being charged with either a UV light or sunlight. Each ring is handmade in our small shop using only the finest materials available and features our signature comfort fit interior, a more pronounced comfort fit that makes our rings both more comfortable to wear and less likely to ever get stuck on the hand.

Glow times vary depending on the strength of the light with which the ring is charged and how long it is charged for. However, when charged with a UV flashlight for 5 to 10 seconds, the ring will glow for one to two hours. The ring can be recharged for 10+ years.

Unconditionally Guaranteed: If your ring doesn't fit perfectly, we'll be happy to exchange it for the right size. And if any of our products don't meet your expectations in any way, we'll happily replace them or send you a full refund, whichever you prefer.

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Modern Design, Handcrafted in Brooklyn

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FLASH SALE! 50% OFF

THE BEST-SELLING LUME RING

NEW GLOW BRACELETS

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