Chain length:16~16.5 cm (about 6.3~6.5 inches).Extended chain length: about 4 cm (For your kind reference:1 inch= 2.54cm 1cm= 0.393 inch).Packging Method: Exquisite Gift Box.Material: antique bronze/silver alloy， wax cords， imatation leather， korean cashmere.Length can be changed， if need to please tell me.