This MACE brand PEPPER FOAM contains a 10% solution of pepper in a revolutionary foam delivery agent. The foam can stick to the attacker's face and obscure his vision. Any attempt to wipe the foam away just increases the burning and pain of the pepper. This model also includes an ultraviolet dye for attacker identification. 67 gram LARGE MODEL PEPPER FOAM - Great for carrying. This size is compact but powerful and has a flip-top safety cap. This unit offers five one second blasts and is effective up to 10 feet.