Specification: Capacity:3ml 6ml 12ml Color:transparent, gold,silver,black or customized Material:Glass body and steel roller balls or glass rod OEM: support Smaples: provide free samples   About this item: The glass roller bottle is made of thick glass, smooth and shockproof.The bottles can protects essential oil from harmful UV rays and avoid rapid volatilization. The roll balls are made of Stainless steel, …