EG18 High Output Smoke Grenade - 9 colors** NOTICE, This item can only be shipped by GROUND SERVICE WITHIN CANADA. A big smoke effect, not too overpowering Duration: 80 Seconds Cloud Size: 6 Simple Pull Ring Ignition (Wire Pull) Non toxic Smoke, fully biodegradable body Pro tip: Enola Gaye pyrotechnics use a cool burn ignition system, which does not produce any external flame and keeps the grenades casing at a relatively low temperature. It is safe to hold Enola Gaye smoke grenades