Guide

Yes, you can bring a water bottle on a plane, but it must be empty at security; fill it after screening or buy sealed water past the checkpoint.

Yes, vape pens must go in carry-on or on your person; never in checked bags, and you can’t use or charge them on the aircraft.

Yes, umbrellas are allowed on AirAsia flights when they fit cabin baggage limits or ride in checked baggage.

Yes, TSA allows solid medications like unlabeled pills in carry-on or checked bags if they are screened.

Yes, vitamins are allowed in checked baggage; pack solid or liquid vitamins well to prevent leaks and crushing.

Yes, you can bring an umbrella on a plane in Japan, as long as it isn’t sharp and fits airline carry-on or checked rules.

Yes, unopened liquids pass TSA only if each container is 3.4 ounces (100 ml) or less and fits inside your single quart bag.

Yes, you can bring a water bottle on a plane in Singapore if it’s empty at security; filled bottles over 100ml must go in checked bags or be disposed.

Yes, you can bring an umbrella on Cathay Pacific flights; compact types ride in carry-on, and long or pointed ones may be checked if asked.

Yes, you can bring vitamin D on a plane; tablets, capsules, and gummies are fine, while liquids must meet screening rules.