Village Lighting V-20660 25' Blue Super Mini EZ Twist Pro-Plug LED String Lights: The Ultra-bright Super Mini™ LED string lights just got better with the patent pending stackable design. Water resistant connections keeps your lights shining bright and lasting longer. The stackable mini light also features a one-twist connection, making them so easy that you don't need to remove your winter gloves. Stackable end-to-end connections allow you to connect multiple strands together from one central location, without the need for any additional plug adapters or extension cords. Our Pro-Plug Super Mini™ light strands are the quickest way to decorate for the holidays.