Measuring only 3.14 inches tall and 1.96 inches wide, this self-defense keychain is both lightweight and compact. Simply use this as a regular keychain and carry it on you everywhere you go. When threatened, you can slide your fingers into the keychain via the "cat eyes" with the sharp "cat ears" facing forward and plunge the keychain hard into your attacker. Made out of strong and tough aluminum, this keychain will deliver a high-impact, devastating blow onto your assailant. Other than providing you with reliable protection, this keychain tool is also durable and light. Carry this keychain with you for peace of mind.