AllerMates Allergy Alert Dog Tags are a bright and colorful design meant to be noticed. They are brushed metal and feature a raised rubber character. Each allergy tag comes in Silver. They come with a 16" long Nickel Free Ball Chain (fits most adults as well). All dog tags and necklaces are hypo-allergenic (latex and nickel-free), waterproof and thoroughly tested for safety and quality. For multiple allergies, try layering these colorful tags. Combined shipping discounts offered and applied automatically when checking out. Sizing: Each nickel free ball chain measures 16" long. The tags are hypo-allergenic (Tags are nickel free.) and measure 1.25" long and .75" wide. The Characters: Peanut Allergy Dog Tag - "P. Nutty" P. Nutty would love nothing more than to be cool and popular, however, now that so many kids have allergies, he’s been asked to not show up at school anymore. To keep himself occupied, P. Nutty has picked up some popular hobbies, which include yoga and playing blues harmonica. Nut Allergy Dog Tag - "Nutso" Nutso is known worldwide for his NUTTY antics. His favorite pastime is playing hide and seek with parents of allergic kids (driving parents NUTS searching for traces of him in all food labels). He also enjoys bouncing around and hanging upside-down from trees... after all he is a tree nut. Wheat / Gluten Free Dog Tag - "Professor Wheatley" Professor Wheatley encourages all of his allergic students to become excellent readers so that they can study food labels. He is currently working on his thesis…the History of Wheat in Canned Soups. In his free time, the Professor enjoys stargazing and reciting the national anthem backwards. This listing is for one allergy tag of your choice in Silver. A 16" Ball chain is included.Made in the USA! See our store for more Allermates products!