TSA Guidelines allow up to 3.4 fluid ounces or 100 millilitres. https://www.tsa.gov/travel/security-screening/whatcanibring/all
3.5 oz actually. I fly 3-4 times a month and bought 15 perfumes. I checked 13 and had 2 in my carry on
Exatly
In 3oz bottles.
Thanks! Your answer is awaiting moderation.