I use bottles like these all the time for essential oils and fragrance oils. I can never have too many empties around my workshop. These are fantastic. $30 for 24 of them is a little higher than I'm used to paying, but the quality is nice. The glass is heavy and I can't find a single imperfection in them at all. The cap part of the dropper fits great, and it feels like a harder plastic. It's not the cheap, flimsy plastic that some bottles like these have.Because I use these for essential oils and fragrance oils, I don't use the dropper part. I just use it as a cap. Oils can break down the rubber squeeze part of the dropper over time. I always use disposable pipettes instead of the included droppers.If you're comfortable with the price, I don't think you'll be disappointed with the bottles. The quality is on par with the nicer ones that I already owned. There's a lot of attention paid to how they're sent, too. Everything arrives protected and in great shape.
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