You will always keep your keys safe with these appealing but practical Dog Bone silver key rings. They are hand made in sterling silver by a master silversmith and bear the British hallmarks, which guarantee the purity and weight of the silver. These dog bone key rings are available in two sizes, small and large, and both sizes can also be used as dog collar tags for small or large dogs. They are the ideal gift for all dog lovers. Nickel ring. Made in England.