This vintage lot of 4 black light bulbs includes a mix of Dayton and The Paper Magic Group brand bulbs. Two of the bulbs feature a unique glow-in-the-dark capability. These 75 watt, 120v standard base bulbs are perfect for parties and Halloween celebrations, creating a dark and mysterious ambiance. Made of mixed materials with a glass design, these incandescent blacklight bulbs add a touch of retro charm to any space, making them a must-have collectible for fans of vintage holiday decor.