Guide

Yes, Air Canada lets knitting needles in carry-on and checked bags; use a sheath or case and keep any scissors under 6 cm from pivot to tip.

Yes, you can bring IV needles on a plane; pack sharps with the related medication, use a hard sharps container, and tell the officer at screening.

Yes, TSA allows ice packs in carry-ons if they’re frozen solid; soft or slushy packs must be 3.4 oz each or be for medical needs.

Yes, most hygiene products are allowed; carry liquids 3.4-oz/100-ml in a quart bag, and pack larger or aerosol cans in checked bags.

No, Jetboil fuel canisters aren’t allowed in carry-on or checked bags; fly with a cleaned stove only and buy canister fuel after you land.

Yes, injections and syringes are allowed in carry-on or checked bags for medical use; declare them and follow packing rules.

Yes — you can bring prescription glasses and sunglasses in your carry-on; wear them through screening and use a hard case to prevent scratches.

Yes, hockey skates can go in carry-on or checked bags in the U.S.; some countries and airlines only allow them in checked luggage.

Yes, you can bring homemade cookies in your carry-on, as solid baked goods are fine; only gels or spreads must meet the 3-1-1 liquids rule.

Yes, you can bring a helmet on a plane; TSA permits helmets in carry-on and checked bags, if the item fits your airline’s size rules.