The Pepper Power Keychain Pepper Spray dispenses a powerful stream of pepper spray with a range of 10 ft. If you want a pepper spray that is small and convenient, then this is the perfect choice. Just simply attach it to your keys, lanyard, backpack, handbag - the possibilities are endless.This personal defense spray is less than 4 oz and may be able to be checked into your luggage on commercial airlines. Make sure to check with your airline provider prior to travel. UDAP's pepper sprays have zero ozone depletion potential and are non-flammable. Have confidence and peace of mind.