Nylon Pepper Spray Holster for MK-4 Sabre's 3.0 oz / 3.3 oz / 3.9 oz / 4.4 oz, Fox Labs 3.0 oz Canisters (Pepper Spray Not Included). Will fit MK-4 Sabre's 3.0 oz / 3.3 oz / 3.9 oz / 4.4 oz, Fox Labs 3.0 oz pepper spray.