The Fils Unique signature sixteen legs octopus cufflinks require more than 5 hours for the hand-enameling. These little friends glow under any black light. Hand-painted with cold enamel. Sterling silver plated with rhodium. Weight: 10.1 gram (per cufflink). Height: 20.62mm / 0.8120 in. Width: 18.81 mm / 0.7400 in. Made in USA.