Our 16-tooth perfume essential oil bottle accessories with natural jade roller balls offer a refined way to apply your favorite essential oils and perfumes. The natural jade roller balls provide a smooth and even application, enhancing your aromatherapy routine. Simply fill the bottle, insert the roller ball, and roll it onto your skin for a luxurious and fragrant experience. Features -Color:Assorted Color -Material:PP Jade -Size:2.10X1.30X1.30cm/0.83X0.51X0.51in -Wide application: suitable for home, office, and spa environments, these roller bottles are reusable, making them a sustainable choice for essential oil users. -Effortless rolling: the roller ball glides smoothly, ensuring even oil distribution and precise control over the amount dispensed, with of leaks. -Quick and easy installation: simply insert the roller into the bottle neck, push it in, screw on the cap, and you're ready to go. the process is quick and easy. -Leakproof functionality: the essential oil roller securely attaches to the bottle, preventing leaks. it can be easily removed and reused as needed. -Transformative roller insert: our roller top insert can instantly convert your spray oil bottle into a rollon applicator, great for thicker oils, diluted oils, or rollon applications Package list: 4 pcs x 10pcs x essential oil bottle jade ball