Super powerful, super strong american formula: maximum stopping power net contents: 14 gms (=22Ml) canister size: 22mm diameter, overall length: 95mm the only brand tested & certified by the leading govt. Recognized national research lab-shriram institute for industrial research , delhi wide-angle cone spray for protection against multiple attackers effective range: upto 10 ft (3 M) fires upto 20 half-second shots instantly effective on spray with lock/unlock twist-type safety cap blindfolds & immobilizes the attacker instantly for 45-50 minutes no permanent side effects expiry 3 years individual unit packed in international style transparent blister (Clam Shell)