Mace KeyGuard Hard Case Pepper Spray attaches to your keychain so you can leave home with self-defense to protect yourself. This pepper spray is housed in Mace’s strongest case. KeyGuard Hard Case Pepper Spray is ready when you need it. Simply put your thumb under the flip-top safety cap and press down on the actuator button to spray. Contains 10 bursts with a spray range of 3 metres, but always replace or refill after use.