There seems to be several different 'strengths' of LorAnn flavorings as evidenced hereNot very well. It can easily be opened and closed and still look sealed:
View attachment 755237
But I trust the vendor. It's a bakery stuff shop.
Bubble Gum Flavor 1-dram | LorAnn Oils
Scroll further down their page and find a use and strength chart for this 'type' of flavor
http://www.lorannoils.com/img/category/description/Suggested Usage Table for Flavors FINAL.pdf
Then they have a super concentrated line.
Which must be what some US vendors sell? And I received.
And this link describes their different type of strengths.
About Our Flavors | LorAnn Oils