This is a K9 Crystal cylinder vial and is 100% handmade.  They are 18mm wide x 23mm high (approx.) and hold between 0.1 ml and 0.15 ml.  You can easily open the bottle by the screw-in stopper to add your own perfume, essential oil, or oil blend of your own creation, and then carry your magickal oil or blend in the bottle everywhere you go. 

The available colors are Clear, Purple, Blue, Yellow, Pink, Green, and Black.