Perfume Studio® Blue Glass Roller Bottles 5 ml - Set of Cobalt Glass Rollers with Silver Cap and Stainless Steel Metal Ball Tops (6, Cobalt with Metal Ball)

Metal Ball Cobalt Glass Roller Bottle Set 5ml, 6 Rollers. Great for Aromatherapy Essential Oils and Pure Perfumes. The small Roller botlles are of top quality and made to last. Practical Size and small enough to easily fit in your pocket and purse; great for travel.

NOTE: Don't use Metal Ball Rollers with heavy dilutions of fractionated coconut oils - Metal balls become very slick and will pop out or leak!