Material: Brass, Gold Plated All sizes are approximates Depth mm: 3mm Swallow Width cm: 3.6cm Length cm: 3.6cm Chain: Gold Plated Chain length: Split 40.5cm chain Chain Length Guide 40.5cm - Normally sits on collar bone 46cm - Normally Sits Approx an Inch below Collar bone 61cm - Normally sits In the bust or just below.