NWT Gold Burl Carbon Fiber Ring by Patrick Adair Designs- Sz 8 Handmade in Utah 8mm wide, rounded edges and comfort fit. • Made using recycled carbon fiber, resin, and gold pigment. • Lightweight, durable, and scratch-resistant. • Each ring will have a unique swirl of gold burl patterns. • Perfect for every day wear. • Lifetime Warranty eligible with one free size exchange. Carbon Fiber Rings are very durable and require little to no maintenance.