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customs guides
A focused set of CarrySizer guides tagged customs. Thin tag pages stay noindex until they have enough useful depth.
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Can You Bring a Metal Detector on a Plane?
Handheld pinpointers and ground-search metal detectors are allowed on planes. Battery rules apply. Some countries restrict where you can use them after you
Can You Bring a Walkie-Talkie on a Plane?
Walkie-talkies and two-way radios are allowed in carry-on and checked bags. Spare lithium batteries must travel in carry-on. Customs rules vary internationally.
Can You Bring CBD Oil on a Plane? Complex Rules
Hemp CBD on US domestic flights is a gray area. International travel with CBD carries serious legal risk. Rules by country and what to avoid.
Can You Bring Cheese on a Plane?
Hard vs soft cheese rules for carry-on, liquid rules for brie and cream cheese, and customs restrictions for international cheese travel.
Can You Bring Cigars on a Plane? Security vs Customs
Cigars are allowed through airport security in carry-on and checked bags. The real restrictions are at customs on arrival. Here's what to know.
Can You Bring Dried Fruit on a Plane?
Dried fruit rules for carry-on and checked bags, international biosecurity restrictions for Australia, New Zealand, and the USA, and what to declare.
Can You Bring Flowers on a Plane? Rules Vary
Cut flowers pass airport security easily, but international border rules vary widely. Australia and New Zealand have very strict restrictions.
Can You Bring Food on a Plane? Carry-On Food Rules
TSA rules on solid food, liquid foods like sauces and yogurt, international customs restrictions, and the best foods to pack for long flights.
Can You Bring Food on a Plane? Rules by Type
Solid food is allowed in carry-on. Liquids and gels like yogurt and peanut butter face the 100ml rule. Baby formula is exempt. Here's the full breakdown.
Can You Bring Frozen Food on a Plane? Ice Rules
Frozen solid food is allowed in carry-on and checked bags. Ice pack rules depend on whether they're frozen solid. Customs rules apply at arrival.
Can You Bring Nuts on a Plane?
Nuts in carry-on and checked baggage — security rules, customs by country, peanut butter liquid rules, and airline allergy policies explained.
Can You Bring Plants on a Plane? Strict Rules
Plants pass airport security but face strict agricultural rules at international borders. Australia, New Zealand, and the US all restrict imports.
Can You Bring Protein Bars on a Plane?
Protein bars, energy bars, and meal replacement bars in carry-on and checked baggage — security rules and customs restrictions by country.
Can You Bring Spirits on a Plane? Whiskey, Vodka & More
Full rules for carrying spirits in carry-on and checked baggage, duty-free allowances, and customs limits by country.
Can You Bring Tea on a Plane? Bags, Loose Leaf, and Brewed
Dry tea bags and loose-leaf tea are unrestricted in carry-on. Brewed tea follows the 100 ml liquid rule. Customs rules vary by destination. Full guide here.
Can You Bring Vegetables and Fruit on a Plane?
Fresh fruit and veg pass airport security everywhere. Customs rules on arrival are what matter — especially for international flights to the US, EU, Australia
Can You Bring Vitamins on a Plane? Pills, Powders & More
Rules for vitamins and supplements in carry-on and checked baggage — pills, powders, liquids, gummies — plus customs tips by country.
Can You Bring Wine on a Plane?
Wine in carry-on vs checked bags: liquid rules, duty-free exceptions, checked bag packing tips, and country customs limits explained.
Customs Declaration with Carry-On: What You Must Declare
What to declare at customs when traveling with carry-on only: currency, food, gifts, green vs red channel, US CBP One app, UK post-Brexit rules, and EU limits.
Bringing Wine & Alcohol in Your Carry-On
TSA rules, duty-free exceptions, international customs limits, and practical strategies for flying with wine and alcohol.