10ml(1/3oz) Roll on Glass Bottle- Set of 6 for Essential Oil - Empty Aromatherapy Essential Oils, Perfume Bottles - Refillable Slim with Metal Ball and Black Plastic Lid, Green Each Essential Oil Accessory Set Includes: Set of 6 10mL Green Glass Stainless Steel Roller Bottles along with 2 Bonus 1 mL Plastic Transfer Pipettes. Each Bottle holds 10mL or 1/3 ounces of fluid. The glass is classically tinted to filter out harmful UV Rays to protect the contents or the bottles Refillable so you can use over and over again Convenient size so you can take anywhere with you Perfect for use of perfumes oils, essential oils and more