Our personalized anodized aluminum pet ID tags offer double-sided engraving, with up to 8 lines of custom personalization, plenty of room for all of your dog or cat's vital information. With 4 colors to choose from our tags work with any collar design. Features and Benefits: Size Large: 1.5 x 1.3 in 4 Colors: Red, Black, Pink, Dark Gold Front and Back Engraving Lightweight Anodized Aluminum Includes Split Ring Attachment