The Practice Inert Pepper Spray Refill Kit for Home Defense from SABRE gives you everything you need to learn how to properly use your home defense kit most effectively should the need arise. This kit will help you learn how to use the SABRE Pepper Spray Launcher so you will have the confidence to act swiftly and effectively if you need to defend your home. It includes two tubes containing seven inert practice projectiles per tube as well as two 12-gram CO2 cartridges for firing.