Core Carbon Fiber Glow Ring Professionally and individually handcrafted in the USA, this carbon fiber glow ring is a truly next-level look. Carbon fiber is the new age of a functional high-strength material. Pound for pound, it's the strongest material on the market today. Its unique construction means that it's also extraordinarily lightweight and extremely comfortable- not to mention it offers a rare and captivating appearance. This particular ring boasts a contemporary round band, a matte finish, and a truly unique glow characteristic for an incredible touch of robust elegance that is bold, but still light, durable, waterproof, and hypoallergenic. Since each ring is individually hancrafted, there might be slight differences in each ring. Included is a UV mini light to charge your new glow ring anywhere you are! Glow times vary depending on charge time and sunlight exposure/UV light exposure. When charged with the included UV light for 5 to 10 seconds, the ring will glow for one to two hours. The ring can be recharged for 10+ years.  Product Details: • Colors: Black, Purple Glow • Materials: Carbon Fiber, Composite, Non-toxic strontium aluminate (glow) • Origin: United States - Warranty: 1 Year Manufacturer's - Handcrafted In The USA - 100% Pure Carbon Fiber - Chemically-Resistant - Waterproof - Extremely Durable - Ultra Lightweight - Hypoallergenic All of our rings are handmade to order and will ship in 1-3 days after the order is placed.