Flight Flasks can safely and legally hold ANY of your liquids.
This Mr Healthy article
spells out how to carry your liquids on a US flight.
That's right! Say you're trying to eat healthy and avoid commercial salad dressing; what with the rapeseed (aka canola) oil and high fructose corn syrup in nearly all salad dressings today.
Our 3.4 oz / 100mL flasks can EASILY carry your olive oil and your vinegar.
You can carry as many as can fit in a 1 quart closable plastic bag.