24 Pack of Sunlite 25 watt Ceramic Blue Colored Incandescent Light Bulb - Parties, Decorative, and Holiday 1,250 Average Life Hours 25-Watt incandescent ceramic-style bulbs that create a pleasing blue glow. A fun way to set the mood at a party, holiday, special occasion or just for everyday use. Medium (E26) base fits into standard sockets. These dimmable light bulbs last up to 1,250 hours on average. Convenient 24-pack.