Our 2ml Glass Bottles are the Perfect Size for Essential oils, Blends, Perfumes. These small half dram sized glass bottles are perfect for holding almost any liquid, and they are wonderful for handing out nice sized samples to customers and sharing with friends Each Comes with a black polypropylene plastic cap. perfect for essential oil storage and other liquids great for serum samples. The Neck size is smaller than all our other dram bottles, and the caps will only fit this bottle. We do carry another 2ml Glass Vial which is interchangeable with our 1/4, 5/8, Dram and 1.5 Dram Sized Vials, and which will accept orifice reducers. This bottle will not. You'll receive 12 Glass Bottles 12 Black Caps.