Stockholm - List of items you must hand carry for pets
The following items to hand carry are a must when travelling with your pet:
Leash and collar
The pet should have an ID tag (you may consider to have a permanent identification such as tattooing or placing a microchip under the pet’s skin)
Take some toys, chew bones, treats whatever your pet likes most
A water container with fresh water
Some food (not too much, while travelling, pets usually do not need to be fed, it might be better to put them on a little diet for the length of the trip)
Medication if needed
Paper towels, plastic bags for clean up,depending on the pet
Vaccination and other veterinarian reports, specially the rabies certificate