This chain is popular with Dogtags.

all chains are adjustable by threading the chain through the clasp. They can even be shortened by cutting between the links. Size: Main chain diameter approx. 2mm. Care: BICO pendants and chains are silver plated. General sensible care must be taken to ensure product longevity. BICO recommends gently wiping the product with a damp cloth and drying with a soft cloth. Exposure to colognes and aftershave, pool products, and excess sweat can affect the coating and plating of your product. Pendants should be carefully rinsed and dried if worn at the beach.