Cordless hair devices are the latest items to be banned from checked luggage, as reflected in the TSA’s “What Can I Bring?” list. This includes cordless curling irons and flatirons containing gas cartridges, butane-fueled curling irons and flatirons, and gas refill cartridges for these tools.

The Transportation Security Administration has banned new items from checked bags because of the potential presence of hazardous materials, such as gas cartridges and butane, which are already prohibited. Here's what travelers need to know.