Small ZoomiTags are a gasoline identification tag for gas cans and fuel-cells with a 1.75″ threaded opening. Gas Can ID Tags are gasoline identification tags that precisely describe the type of fuel, gas or petrol contained in Fuel Cans, Fuel Tanks, Gas Cans, Jerry Cans and Military Fuel Containers. Made in Bend, Oregon – USA by Cascade Graphics. What’s in Your Gas Can?