Made of a thick durable material with a professional design, 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: Transparent. - Material: Glass. - The essential oil roller is made of glass which makes it thick and smooth. - The screw thread finish bottle mouth fits the tightly, which makes it impossible to leak. The tightness prevents any sort of leakage. - Our bottles are simple to clean or fill, you can easily refill those back any time! - Glass roller bottle allows you to store essential oils, perfume oils, or other liquids that meet your daily needs. - The packaging makes it perfect for traveling and it easily fits in your purse. Package list: 12 x roll on bottles