Our colorful flip flops light up in bright blues, greens and purples. Each package contains one 14 foot strand of 10 lights. Lights measure approximately 4" long x 1 1/2" wide. The 14 foot end to end plug accommodates multiple strands of lights. Includes steady burning or flashing option. Strand does not light up when one bulb burns out. 2 extra bulbs included. UL approved for indoor and outdoor use.