Polyethylene dropping bottles with screw-on cap allow drop-by-drop dispensing. With the closure cap in position, the bottle is leak-proof. The cap cannot be lost since it is permanently affixed to the closure.
One-hand operation allows drop-by-drop dispensing with these polyethylene bottles. With the closure cap in position, the bottle is leak-proof. The polypropylene cap fits so well it will not pop off even if squeezed or dropped. The cap can’t be lost since it is permanently affixed to the closure.