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3-1-1 Rule guides
Practical guidance about 3-1-1 rule, with relevant airline rules, restrictions, and packing decisions in one place.
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Carry-On for First-Time Flyers: A Complete Beginner's Guide
New to flying? Learn what a carry-on is, how to measure your bag, what to pack, how security works, and the most common first-timer mistakes to avoid.
TSA Liquid Rules for Carry-On Bags (3-1-1 Rule Explained)
TSA 3-1-1 liquid rule: what counts as a liquid, container size limits, quart-bag requirement, and legal exemptions.
Airport Liquids Rules 2026: 100ml, CT Scanners & More
US 3-1-1, UK/EU 100ml, CT scanner exemptions, duty-free rules, medical and baby food exemptions — everything you need to know before security.
Airport Security Tips: Get Through Faster
Cut your security time with the right prep: 3-1-1 liquids, TSA PreCheck, CLEAR, slip-on shoes, and the habits that separate fast travelers from slow ones.
Can You Bring a Jar of Peanut Butter on a Plane?
TSA classifies peanut butter as a liquid. A standard 340g jar will be confiscated. Here's what size is allowed and how to travel with it safely.
Can You Bring a Snow Globe on a Plane?
Snow globes contain liquid and are subject to the 3-1-1 rule. TSA bans globes larger than a tennis ball from carry-on. Here's what to know.
Liquid Rules for Carry-On Bags: The 100ml Rule Explained
The 100ml liquid rule applies in the EU, UK, and most of Asia. The US uses the 3-1-1 rule. Here's what counts as a liquid and what's exempt.