The VTG Twinkling Lights Blue Set by Holiday Time features a set of 150 blue curtain lights with a 3-way flashing option. These string lights are 15 feet long with a 13-foot lighted length, making them suitable for both indoor and outdoor use. The twinkling design adds a festive touch to any occasion, from Christmas and Hanukkah to engagement parties and bridal showers. With a plug-in control style and white cord, these lights are easy to set up and add a touch of holiday cheer to your decor.