Perfume Studio® 5ml Roll on Bottles for Essential Oils with Stainless Steel Metal Balls (12, Cobalt with Metal Ball)

Perfume Studio 12 Piece Set of 5 ml Cobalt Glass Roll On Bottles with Metal Balls for Aromatherapy Essential Oils and Pure Perfumes. The small Roller bottles 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: Only use these Metal Ball Rollers with pure uncut oils. Do Not use Metal Ball Rollers with diluted or carrier oils, particularly fractionated coconut oils. This is a high lubricant oil that will force your metal ball to pop out. For these type of oils you should use plastic ball roller bottles.