2-6mm Stainless Steel Black&Silver Round Box Chain Necklace Men Women 18-36" | eBay
Round Box-Cut Gold Chain – George Rings
Box Chain Necklace 14k Gold - Kinn
Gold Necklace Layer with 3mm Box Chain and Onyx Square Necklace – Nialaya Jewelry
Vitaly | Stainless Steel Accessories | The Box Chain
NYC Sterling Round Link Chain - Rhodium Necklaces for Men – Luxurious Rhodium Chain – 2mm Round Box Chain – Modern and Minimalist Design – Made in Italy - 16-inch to 30-inch (16") | Amazon.com
John Hardy Men's Classic Chain Box Chain Necklace Sterling Silver | Jared
Small Box Chain Necklace in Yellow, Rose or White Gold