5 ml Clear Glass Roll On Bottle(s) with Brushed Silver Caps for Aromatherapy Essential Oils and Pure Perfumes. Use the Roller bottle for our premium Grade-A Oils. The small Rollerbotlles are of top quality and made to last. Practical Size and small enough to easily fit in your pocket and purse; great for travel. Practical 5 ml Clear Glass Roller Bottles with Silver Caps (6 Units) Durable and Easy to Use Roll Ons Perfect Size For Travel Use with your Essential and Grade-A Perfume Oils Refillable and Reusable Roll On Bottles