Flatworld Household Energy Smart Bulb 40 Watt Warm Light Bulb (Long Tubular F) Package: Carton and Foam Material: Transparent Glass Unique design inspired by Thomas Edison's original creation, antique and nostalgic, add the ideal finishing touch of authenticity to fixtures Made out of thick transparent crystal glass which is durable, non-toxic and eco-friendly, the lights are much more soothing and relaxing, do not hurt your eyes Illuminates with a soft amber glow, filling any space with the warm ambiance reminiscent of the original tungsten filament bulbs of the mid-20th Century Great for chandeliers, sconces, and outdoor lighting. It looks much better than using a modern, conventional bulb. Not only an ornament to decorate your room, but also an artwork to show your personality