The Smith & Wesson SWP-MK22 is a designer case with a convenient flip-top design. 3/4-ounces of pepper spray. The Smith & Wesson SWP-MK22 Self-Defense Pepper Spray comes with a 1-year limited warranty to protect against defects in materials and workmanship. Smith & Wesson prides itself in designing and manufacturing innovative solutions that are unparalleled in the field of personal safety and protection. RSR - SABSPINERT-35