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. - 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.Packing list: 10 x roller ball