Glass Protects Against Harmful UV Rays. Portability: Comes with a pack of 6, 10ml per bottle. The capacity allows you to store Synthesis Oil, Natural essential oil, essence, perfume or other liquids meet your needs of daily care for eyes, faces and body. The packaging makes it perfect for traveling and it easily fits in your purse. Dual Caps: The screw thread finish bottle mouth is matched with a cap, which fits tightly and can effectively prevent any liquid leakage. You can also design your essential oil formulations with these adorable bottles to would help you to relax during salon or aromatherapy. Stainless steel roll balls: The roll balls are made of Stainless steel, which is corrosion resistant and well-made. The tightness prevents any sort of leakage. With our complimentary opener, the battle can easily be disassembled and filled. Superior Quality: The Essential oil glass bottle is made of corrosion-resistant glass which makes it thick, smooth and shockproof. The oil bottle protects essential oil against harmful UV rays to save it from quick volatilization.