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What's New, What's Hot is Travel Weekly's look at useful and fun travel gadgets, edited by Joe Rosen. First up, the Our National Parks Commuter Mugs lineup, designed to honor seven U.S. national parks. Each 12-ounce mug sports its own design and would make a unique memento of a park visit while keeping your morning cup of coffee just the way you like it. The fully insulated double wall mugs, which come with a silicone lid, are microwave and dishwasher safe. One subjective note: They really look great.

Described by Chipolo as ''the thinnest tracker on the market,'' this slim wallet finder (0.08-inch) is smaller than a business card or credit card and will easily fit into a card slot in your wallet or passport holder. Connected to a smartphone app via a Bluetooth connection, it will alert you to its location from up to 200 feet away with a 95 decibel melody. If you misplace your wallet while out of Bluetooth range, the app enables the user to pinpoint its last location on a map or, if necessary, allows you to mark the wallet as stolen.

Blunt Force Cannabis Stash Tubes are designed to keep a traveler's hand-rolled legal medical marijuana secure and fresh ... and away from prying eyes (and/or noses). The tubes, which are airtight, emit no odor when capped and, hence, the stash is virtually undetectable. The Blunt Force tubes, which are discrete enough to easily slip into a pocket or purse, are crush proof and waterproof.

The Revolar Personal Safety Alert system can send notices of your varying degrees of unease (or simple check-ins) to a list of contacts of your choice. The wearable alarm is not a panic button to be sure, but it does provide a quick way to send for help, track your steps and share your GPS location. Powered by a CR 2032 battery, the Revolar can contact up to five appointed contacts per alert: 1 click, check in; 2 clicks, I'm worried, call or find me; 3 clicks, emergency alert, I need help right now.

This trim, envelope-style bag is the perfect accoutrement for the business traveler. Offered by the Minnesota firm Duluth Pack, which has specialized in outdoor gear since 1882, the slim and lightweight Portfolio bag offers as much useful space as larger, heavier totes, including plenty of room for a laptop and/or notebook. Hand-stitched and made from 15-ounce canvas, the Portfolio features an integrated internal water bottle holder, 1.5-inch cotton web shoulder strap, and two front snap-closure pockets and a rear pocket.