CAPACITY: 50ml glass roller bottles perfect for storing and applying essential oils, perfumes, and other liquid cosmetics DESIGN: Features a leak-proof roller ball mechanism for precise and controlled application of contents MATERIAL: Crafted from high-quality glass with durable plastic roller ball and secure screw-on lid VERSATILE USE: Ideal for essential oils, aromatherapy blends, perfumes, and other cosmetic formulations PACKAGE CONTENTS: Set includes 6 refillable roller bottles, each with a removable ball applicator for easy filling