He'll love the feelings this personalized dog tag photo necklace brings to mind. Crafted in sterling silver a photo of your choice appears on the front of the charm and your message is engraved on the back the dog tag measures 20. 66 x 45mm the 22-inch spiga chain secures with a lobster clasp this product is waterproof and scratch-resistant please follow these steps: 1) place your order; 2) text your photo from your smartphone to (330) 435-8997; and 3) when prompted, please respond with your order confirmation #. Standard text messaging rates may apply.