He can treasure what's most important with this custom dog tag necklace. 10k yellow gold-plated sterling silver a photo of your choice appears on the front, and your message is engraved on the back 20. 66mm x 45mm 22-inch spiga chain; lobster clasp 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.