Bling Sting - Super Sparkly Safety Stuff - Black Rhinestone Refillable rhinestone key chain The locking actuator safety cap locks the top to prevent and protect from accidental discharge 1/2 oz canister has several half-second bursts of pepper spray with UV dye that fires 10 to 12 feet Formula made from a 2 million SHU level (Scoville Heat Units) 10% OC (Oleoresin Capsicum) mixture