Add a personal touch to your furry friend's collar with these Dog Tag Rings from MD Findings. Made from Zinc Alloy, these Split Rings are durable and long-lasting. Perfectly sized at 25MM, these 13 Gauge rings with a thickness of 3/32 inches or 2.4MM are great for attaching License and Rabies Tags. The Silver Color of these rings perfectly complements any collar color while the Dog Tag ring feature makes them easy to use. These Rings are a must-have for any pet owner looking to add some style to their pet's collar. ***NOTE*** There are 2 shipping options to choose with different costs.*** 1. $1.29 Standard Shipping with no tracking. They are shipped in a plain white envelope to save the extra postage cost below. The $1.29 covers the cost of the stamps. 2. USPS Ground Advantage Package Rate. $4.80 postage cost which covers the USPS cost and provides a tracking number. It will be sent in an Air Jacket padded mailer for protection As of January 2023 the post office raised it?s rates once again, retail, to get a tracking number which you can only get by sending via option 2, First class package. If you require tracking you MUST choose ?USPS Ground Advantage Package? and switch it from $1.29 standard shipping to "USPS Ground Advantage" rate DURING CHECKOUT!