Bulbrite helps you see, do, engage and experience every moment as it's meant to be. Bulbrite is here to inspire you to Turn Life On in a way that only the right, beautiful light can do. Included in this package is a single mirrored incandescent bulbs. The top half of each bulb reflects light and is also fully dimmable. The A19 bulbs have a medium E26 base and are perfect for open fixtures. Each bulb is 4.09 x 2.3 x 4.09 inches. Options are available including different colors and finishes for these bulbs.