Opro Bronze Ortho Mouthguards are made from one material and have innovative integrated stretch zones for fit and protection. They are uniquely designed for wearers of fixed othodontic braces. This mouthguard comes with a Â£4800 dental warranty (valid for up to 12 months from date of purchase). All Opro Bronze Ortho Mouthguards come with a carry case. Suitable for ages 10+. Please note that mouthguards are non-returnable.