"With the Guard Dog Security Quick Action Pepper Spray with Key Ring, you'll be ready to go on defense any time you need to. This red-pepper self-defense spray boasts a long-range stream of up to 16', and the maximum strength OC spray formula is highly effective. If your assailant retreats, this spray has an invisible UV dye that will help authorities identify your attacker later. This self-defense spray canister is compact enough to carry in your purse, bag, lanyard, or you can use it as a keychain. Mfrs. Protected 4 Life program will replace your order for free in case of use. 3.5""L x 1.2""W. Contents .5-oz. Easy and effective personal protection Long-range stream up to 16' Maximum strength OC spray formula made with red peppers Invisible UV dye helps identify attacker Compact design"