Description This is a set of 10 balls for essential oil perfume bottles, made of high-quality materials, and can be used safely for a long time. These used perfume bottle rollers are suitable for 9.5mm inner diameter bottle mouth. Ingenious design and high-quality materials will bring you a good experience. Features - Color:Assorted Color - Material:Plastic, stone. - Size: About2.10X1.30X1.30cm/0.83X0.51X0.51inch. - It is made of high-quality materials and has a long service life. - After an excellent polishing process, the surface is smooth and safe to use. - There are a total of 10 perfume bottle balls, enough for your daily use. - It is widely used in eye cream bottles, perfumes, lip gloss, lip polish, nail polish, essential oil, acne liquid and other products. - These used glass bottles are specially configured for 9.5mm inner diameter bottle mouth.Package list: 10 x roller ball