Yes, Pawprint Oxygen Canisters are safe to use in your car.
Pawprint Oxygen Canisters comply with all necessary Department of Transportation regulations. This ensures that they are safe to use during transport. For transportation purposes, Pawprint Oxygen Canisters should be treated like any other aerosol-style product (hair-spray, disinfectant, etc).
Avoid puncturing, sharp impacts, and placing Pawprint Oxygen Canisters near temperatures exceeding 120 ºF. Keep canisters away from open flames. Although oxygen is not flammable, it is an accelerant, meaning that it can intensify existing flames.