Enhance your aromatherapy routine with our 16-tooth perfume essential oil bottle accessories featuring natural jade roller balls. These roller balls provide a gentle and even application, making them great for essential oils and perfumes. To use, fill the bottle with your chosen liquid, insert the roller ball, and apply to your skin for a soothing and aromatic experience. Features -Color:Assorted Color -Material:PP Jade -Size:2.10X1.30X1.30cm/0.83X0.51X0.51in -Reusable and practical: these roller bottles are designed for repeated use, making them an practical option for essential oil application in various settings -Effortless application: the roller ball ensures a smooth and even application of oils, providing better control over the amount dispensed without any leakage -Quick assembly: installing the roller ball is a breeze—just insert it into the bottle neck, push it in, screw on the cap, and it's ready to use -Leakresistant: the roller snugly into the bottle, preventing any oil leaks. it can be easily removed and reused, offering convenience and reliability -Versatile conversion: the roller top insert can quickly turn your spray oil bottle into a rollon applicator, ideal for thicker oils, diluted oils, or rollon use Package list: 10pcs x essential oil bottle jade ball