Our 16-tooth perfume essential oil bottle accessories with natural jade roller balls , great for those who appreciate the in life. These roller balls are ideal for applying essential oils or perfumes smoothly and evenly. Simply insert the roller ball into the bottle, fill it with your favorite essential oil or perfume, and enjoy a luxurious application experience. Features -Color:Assorted Color -Material:PP Jade -Size:2.10X1.30X1.30cm/0.83X0.51X0.51in -Versatile use: ideal for home, office, and spa settings, these roller bottles can be reused multiple times, making them a sustainable choice for essential oil enthusiasts -Smooth rolling: the roller glides effortlessly, ensuring even oil distribution and better control over the amount of oil dispensed, with -Easy installation: simply insert the roller into the bottle neck, push it in, screw the cap on, and you're done. the installation process is quick and easy -Leakproof design: the essential oil roller can be securely attached to the bottle, preventing leaks. it can be easily removed and reused as needed -Transformative 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: 10pcs x essential oil bottle jade ball