Add a cool blue hue to your party attire with the help of our Flashing Blue Rectangle LED Blinkies! These blue rectangle pins are a great way to add some color to holiday decorations or craft projects or you can customize them for special occasions and fundraisers. Each of our light-up blue rectangle blinkies measures 1 3/8 inches by 1 inch and features a super bright blue LED in the center. Use the butterfly connector on the back to attach your blue rectangle pin practically anywhere and wait for the flashing fun to begin! Please note the butterfly connector may create a small hole in the garment it is attached to. These light-up blue rectangle blinkies come with CR927 batteries included and installed and the batteries are replaceable. Our Flashing Blue Rectangle LED Blinkies are sold by the dozen and come individually packaged.