Spyro TagHandMade Resin ID Tags For Harnesses & Collars. *resin tags will last if you take care of them, they are not to be worn with other metal tags and are not as hard wearing as a metal tag, they are not scratch proof. please take off the tag when your dog is going to the beach or river, or rough play. tags are not to be submurged in water or placed in direct sunlight for too long as this will ruin the tag. to wipe mud away from the tag, use a damp cloth