The Quick Release with detachable key chain allows immediate access to your defense spray when unlocking a door or driving an automobile. The most popular SABRE style, the Quick Release, is a powerful 0.54 oz container delivering a ballistic stream which reduces wind blow-back about 8-10 feet. Approximately 25 shots are contained in the compact canister. Features: .54 oz Key Ring Projects 8 to 10 Feet Ballistic Stream Delivery - Reduces Wind Blow-Back Contains Approximately 25 Shots. You must be at least 18 years of age or older to purchase this item. State law and local ordinances pertaining to the legal possession of this item vary. We HIGHLY encourage you to contact the local authorities in your area if you have ANY concerns.