Yes, you are certainly welcome to bring a selfie-stick on your hot air balloon flight, with a few key considerations for safety and convenience:

Retractable Design: Ensure that your selfie-stick is retractable. This feature allows for easier handling and storage. It doesn’t have to be small enough to be fully pocket-sized, but it should retract sufficiently to not cause any inconvenience or safety issues, particularly during landing.

Stowable for Landing: While your selfie-stick does not need to fit completely inside a pocket, it should be able to retract enough to be stowed away safely for landing. If it can't be fully pocketed, it should at least not protrude significantly so as to ensure safety and prevent any potential hazards.

Consideration for Other Passengers: Please be considerate of other passengers when using your selfie-stick. It’s important that it doesn’t interfere with their space or enjoyment of the flight. Respectful and mindful use ensures a pleasant experience for everyone aboard.

Enjoy capturing the breathtaking views from the balloon, and remember that safety and the comfort of fellow passengers are paramount. Have a fantastic flight!