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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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Airport Liquid Rules 2026: Check the Actual Checkpoint
Check the current airport procedure, EU container limits, Heathrow scanners and duty-free transit. Separate screening from checked-baggage allowances.
Airport Security Tips: Prepare for Your Checkpoint
Prepare liquids, electronics, documents and spare batteries for the actual airport. EU and Heathrow examples, without guaranteed queue savings.
Liquid Rules for Carry-On: Containers, Exceptions and Transit
Check actual airport liquid rules, container capacity, medicines and sealed duty-free. EU and Heathrow examples with separate checked-baggage limits.
TSA Liquid Rules for Carry-On Bags (3-1-1 Rule Explained)
US 3-1-1 packing overview, with separate airport presentation, exception and transit checks. Current FAA container footnote and regional scope corrections.
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.
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.