Timelessly sophisticated, yet retro, this Hoan Toan Buffalo Horn Donut Pendant Necklace by Hathorway features circular horn pieces made of ethically-sourced buffalo horns, which is a by-product of waste, an chemical-free process, an organic material, and a one-of-a-kind piece. This geometric silhouette creates a playful statement to your everyday wear. The Hoan Toan Buffalo Horn Donut Pendant Necklace measures to be 4.0 cm x 6.0 cm with 61 cm chain (1.6 in x 2.3 in with 24 in chain)