In this waterproof Duvo+ ID pendant, which is closed with a screw closure, you can put your dog's address and telephone number on a small piece of paper. Your stray dog ​​will be brought back home safely and quickly. In this waterproof Duvo+ ID pendant, which is closed with a screw closure, you can put your dog's address and telephone number on a small piece of paper. Your stray dog ​​will be brought back home safely and quickly.