Review on Premium 3Ml Cobalt Blue Glass Roller Bottles With Stainless Steel Roller Ball And Bonus Droppers - Set Of 12 by Cardell Haynes

UPDATE:(I have since tried holding the bottle directly upside down and firmly tapping the bottom with my finger. This will release oils, but not in a very controlled way.)I love the size for making small quantities of master blend essential oils. Even though reviewers mentioned drops coming out fairly easily, I have not noticed this ever. I have tried completely filling the bottle, partially filling, and every level in between. The only way I can get a drop out is to violently shake it over the diffuser and hope a drop comes out. Totally disappointed in my purchase.