These 2 pcs black clear empty glass essential oil roller bottles vials containers are perfect for storing and carrying your favorite essential oils, perfumes, or other liquid cosmetics on the go. With a capacity of 30ml (1 fl oz) each, these refillable roll-on bottles offer ample space for your liquids. The glass construction ensures that your products remain pure and uncontaminated, while the roll-on applicator allows for easy and mess-free application. These versatile containers are ideal for DIY beauty projects, travel, or simply organizing your collection. Upgrade your essential oil storage with these sleek and functional roller bottles.Simply roll the cool glass ball over pulse points for a soothing and aromatic experience. Whether you're a seasoned essential oil enthusiast or just starting your journey, these versatile containers are a must-have accessory for your collection. Easily label and organize your oils, and enjoy the convenience of a sleek, portable solution.