7 Watt C9 Transparent Outdoor Patio Party Christmas Novelty Replacement Bulbs, 25 Pack (Red) 25 Pack of Transparent Red 7 Watt C9 130 Volt Light Bulbs With an Intermediate (E17) Base Works Great in Light Strings Used for Special Events Such as Christmas and Parties Rated For Both Indoor and Outdoor Use Intermediate (E17) Brass Base