Personalize your furry friend's apparel with these bone-shaped aluminum dog tags from Make Market. Made with a special polyester coating for use with sublimation inks, embellish these blanks with stylish designs that also make great gifts for your fellow animal lovers. Details: Unfinished white 1.5" x 1" (3.8cm x 2.5cm) tag size Makes 4 tagsMetal tag rings included Single side sublimation only Aluminum with polyester coating and zinc alloy Sublimation Instructions:Pre-heat to 356°F (180°C) and press for 40 seconds. Do not exceed 400°F (204°C).Always reference manufacturer's instructions for recommended use, time and temperatures for each heating machine, as they could vary. Surface will be hot. Use protection when handling the finished product.