7 Watt C9 Transparent Outdoor Twinkle or Blinking Replacement Christmas Bulbs, 25 Pack (Amber) 25 Pack of Transparent Amber 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 Randomly Blinks or Twinkles