Our 16-tooth perfume essential oil bottle accessories with natural jade roller balls are great for those who appreciate a luxurious application experience. The natural jade roller balls ensure a , making it easy to apply essential oils or perfumes. Simply fill the bottle, insert the roller ball, and roll it onto your skin for a refreshing and fragrant touch. Features -Color:Assorted Color -Material:PP Jade -Size:2.10X1.30X1.30cm/0.83X0.51X0.51in -practical reusability: these roller bottles are designed for repeated use, making them an practical option for essential oil application in various settings -Effortless and even application: the roller ball ensures a smooth and even application of oils, providing better control over the amount dispensed without any leakage -Quick and easy assembly: installing the roller ball is simple—just insert it into the bottle neck, push it in, screw on the cap, and it's ready to use -Leakproof design: the roller securely into the bottle, preventing any oil leaks. it can be easily removed and reused, offering convenience and reliability -Transformative insert: the 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