Made from genuine brass. Not suitable for pets who like to go in the water. Price includes free engraving, free standard postage and a free strong brass split ring to hold your pet ID tag securely. Up to 5 lines of engraving on the front and back of the tag Laser engraved in a clear UPPER CASE font. Choose from two sizes: Small: 31x21mm - recommended for dogs up to 10kg Large: 40x27mm - recommended for dogs over 10kg We use the latest laser engraving technology to mark these brass pet ID tags and we guarantee them for 5 years against breakage and fading. However, they will oxidise if regularly exposed to moisture, so we recommend cleaning and drying wet brass tags. Provides up to 5 lines of laser engraving for your contact details, name and address to keep your dog safe and compliant with local laws.