The Dark Onyx / 8mm is beautifully made while giving you the best function and flexibility in a man's wedding band. We provide you a ring for the gym, the hard working environments, or even for every day use. Our silicone rings are extremely resilient and won't let you down. We use the best processes to ensure your man's band always looks incredible with any fault or flaw on our end resulting in a free replacement. This is truly the perfect companion for his metal ring.