Topic
carry-on banned items guides
A focused set of CarrySizer guides tagged carry-on banned items. Thin tag pages stay noindex until they have enough useful depth.
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Can You Bring a Knife on a Plane? (2026 Rules)
All knives banned from carry-on: pocket knives, Swiss Army knives, bladed multi-tools. No blade-length exception exists. All knives are allowed in checked bags.
Can You Bring a Multi-Tool on a Plane?
Multi-tools with blades are banned from carry-on worldwide. Blade-free models may be allowed. All multi-tools are permitted in checked baggage.
Can You Bring a Swiss Army Knife on a Plane?
Swiss Army knives with a blade are banned from carry-on at virtually every airport. They are allowed in checked luggage. Leatherman multi-tools follow the same rule.
Can You Bring Scissors on a Plane? (2026 Rules)
TSA allows scissors with blades under 4 inches. UK and EU ban blades over 6 cm. Australia bans all pointed scissors in cabin. Full country-by-country breakdown.
What Not to Pack in Your Carry-On: Prohibited and Ill-Advised Items
Complete list of what not to pack in your carry-on — not just banned items, but also risky valuables, fragile souvenirs, and things better left behind.