Chain lengths commonly offered include 18 inches, 22 inches, and 24 inches across available options.
Pendant sizes vary; examples show widths from about 13 mm to 30 mm and lengths from about 35 mm to 59 mm.
Dog tag necklaces feature a range of stones, including malachite inlay, diamonds, cubic zirconia, clear crystals, and various natural or treated gemstones such as amethyst, rhodolite garnet, and topaz.
Most listings advise cleaning by wiping with a polishing cloth; at least one item specifies professional cleaning for that piece.
Chains most often close with a lobster-claw or spring-ring clasp, and a few designs include a 2-inch extender on the cord or chain.
Many listings include a gift box, and some items also include extras such as an artist poem card printed in English and Spanish or other included cards.