This is a lot 4 -- 300 watt tungsten halogen bulbs. They fit many contractor lighting products and outdoor floodlights and floor lamps. These are the very popular double ended style. They are 110-130V and 118mm long.  or  (about 4.5") These are individually boxed and I add bubble wrap to your bundle to help them arrive to you in good shape.  Shipping is via U.S. mail.  to U.S. locations.