Artsk Rutilated Quartz Essence Bottle Gold Plated Silver Chain Lobster Closure. The chain is adjustable from 16 inches to 19 inches. The chain has freshwater cultured pearls throughout. The essence bottle is 26.0 mm x 19.0 mm x 10.0 mm. The top of the bottle screws off so you can put the essence of your choice in the bottle. The box and dropper come with the bottle.