Spiral looking filament Size : 40Watt EDISON BULB DESIGN: Vintage Antique filament design with Tubular(T45) shape, standard (Medium) base E26 / E27 fit all home lighting. EXCELLENT PERFORMANCE: Edison bulbs with warm glow allow you to perfectly light any space which will be the perfect piece for adding a timeless charm to your house. SPECIFICATION: 40Watt Dimmable Tungsten Bulb, with premium material--durable glass, smash and dust proof. Dimensions: 112*45mm.