That was in complicated packaging. That just gets thrown away, so it's a little weird to me. Drippers in them draw liquid no higher than the bottom quarter of the drip tubes. That's fine for my intended use, but if I wanted to dispense more than 3-4 drops at a time I would be annoyed that the suction cups didn't provide enough suction to really fill the pipettes. It's useless to me because after you put the liquid in the dropper and take it out of the bottle, it keeps dripping until you squeeze the pear. The shape of the droppers does not create enough surface tension to hold moderately viscous liquids in the drip tube during perturbations (such as removing a dropper from a vial). This makes them messy and inaccurate. This 4 bottle set was the same price as other dropper bottle sets with more bottles and a potentially sturdier design. I didn't want to produce waste so I spent more money on a bottle to buy exactly 4. I regret that decision now because they just aren't very good.
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