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Yes, airlines allow pet cremains in carry-on if the container clears X-ray; check your carrier’s rules and use a non-metal urn.

Yes — contact lens solution can go in your carry-on: up to 3.4 oz in the 3-1-1 bag, or larger if declared as a medically necessary liquid.

Yes, diapers are allowed in carry-on and checked bags, and baby liquids get special screening under TSA rules for traveling with children.

Yes. Condoms are allowed in carry-on bags; keep liquid lubricant in 3.4-oz (100 mL) containers inside your quart-size 3-1-1 bag.

Yes—unused COVID-19 home test kits may go in hand luggage; keep liquids ≤100 ml and carry any lithium batteries in the cabin.

Yes, TSA allows cookie cutters in carry-on and checked bags; avoid sharp edges and pack them neatly to speed screening.

Yes, copper wire is allowed in carry-on and checked bags, but pack coils neatly and expect extra screening; cutters over 7″ go in checked bags.

Yes — pack a corded curling iron in checked bags; cordless butane or lithium models can’t go in checked, only in carry-on with the safety cover.

Yes, DayQuil pills are allowed in carry-on and checked bags; pack them for screening and keep them in labeled containers if you can.

Yes—stick deodorant is fine; gels, roll-ons and sprays must be ≤3.4 oz/100 ml in carry-on; larger aerosols go in checked bags with caps.