Roman Empire / Ancient Greek Warrior Helmet Pendant with 925 Solid Sterling Silver Popcorn Chain. The chain's length is 21". The chain's width is 2 mm. Please be advised - the pendant itself is NOT sterling silver. Please take a look at the photos for details. Shipping fees: $3.99 (the 50 states), $9.99 (Canada), $13.49 (Worldwide). Thank you for looking.