Sterling Silver Pendant Necklace with Interlocking Double Ring Charm, 925 Silver, Adjustable Chain Length 16" - 18", with Jewelry Box Charm Material: Premium Genuine 925 Sterling Silver, Non-rhodium Stone: N/A Pendent Dimensions: 1/2" x 1/4" (13mm x 7mm) Chain Length: 16" with two extenders adjustable to 17" and 18" Elegant Jewelry Box Included, Free US Shipping, 100% Satisfaction Guarantee