Pack of 25 7-Watt C9 Incandescent, Ceramic Red, Intermediate (E17) Base, Patio, Party, Christmas Light Bulb Price Includes 25 Bulbs, 7 Watt C9 Ceramic Red Lamps. Base: Intermediate Base E17 (Slightly Smaller Than Standard Medium Sized base) Typically Used For Nightlights, Signs, Holiday and Parties Equipped with Premium Quality Filament allowing for a LONGER LIFE & Durability Incandescent Light Bulbs represent state of the art lamps for residential and commercial use