High quality, Great value
Colour: Random Colormix
Material: Velver Faux Suede
Metal type: Silver tone Alloy(dull silver)
Cord Thickness: approx 1.2mm
Length: approx 17.5-18 inches(approx 45 cm)
Closure: lobster clasp
Extender chain, approx 2 inch long
Overall Length: 50.5cm(19 7/8") long; Extender Chain Length: 5.5cm(2 1/8"); Cord Wide: 2.5mm( 1/8"). 
These items are mixed at random, so the color of the products may not the same as the picture.