Description Our 18-tooth essential oil bottle accessories set includes roller balls and dust caps, ideal for creating your own custom essential oil blends. These roller balls are designed to fit securely on your essential oil bottles, ensuring a smooth and even application every time. The dust caps help keep your oils clean and free from , making them ideal for both personal and use. Features -Color:Black -Material:Stainless Steel,pp -Size:2.90X2.10X2.10cm/1.14X0.83X0.83in -Size:2.20X1.20X1.20cm/0.86X0.47X0.47in -Convenient to use: the 18 tooth essential oil bottle accessories with roller ball and dust cap are easy to operate, making it simple for you to use essential oils -Leakproof efficiency: equipped with a dust cap, these accessories effectively prevent essential oil leakage, keeping the bottle clean and dry -Roller ball design: the roller ball design ensures even application of essential oils, allowing the oils to work more effectively -Versatile application: suitable for various essential oil bottles, these accessories can be widely used in homes, offices, and during travel -Durable and reliable: made from sturdy materials, these accessories are durable and reliable, providing a longlasting usage experience without easy damagePackage list: 20pcs (10 roller balls + 10 black caps) essential oil bottle accessories