Made of a thick durable material with a professional design, 10 ml roll-on bottles can prevent the oils or perfumes leak out to your purse, luggage or pocket. Convenient pocket size that meets airline requirements and makes it easy to transport your perfumes and oils while traveling. Features - Color: Silver, golden. - Material: . - Size: About 7.00X1.50X1.50cm/2.75X0.59X0.59inch. - Capacity: 10ml. - Made from material, durable to use. - The balls are tightly wrapped and smoothly slid, and only the oil is fed when rolling the steel balls, so there is no need to worry about oil leakage. - The bottle protects essential oil against harmful rays to save it from quick volatilization. - The screw thread finish bottle mouth is matched with the cap, which fits tightly and can effectively prevent any liquid leakage. - You can also design your essential oil formulations with these adorable bottles. Package list: 12 x rollerball bottles