This 1/2 oz. Streetwise 18 pepper spray comes encased in a durable plastic shell with attached key ring which allows you to take anywhere you are going. Features: Safety Lock Sprays From inside Case Attaches to your keys so you're always ready Clips to belt or purse Independent Laboratory Heat Rating Certified Derived from over 4 Million SHU** 46% Stronger than Competing Brands Instantly repels an Attacker Incapacitates for up to 45 minutes UV Marking Dye Contents: 1/2 oz. Streetwise 18 Pepper Spray