These window icicle lights are a unique way to decorate your home for the holiday season. These lights features alternating lengths to keep the eye inteested, add these lights to any window to illuminate your holiday cheer! Color: Clear bulbs with white wire Number of bulbs on each string is 50 ct. Bulb size mini, spacing 3" between each bulb Additional product features suction cups to straightened lights hanging down, each string come with (2) replacement bulbs and 2 fuses UL certified and approved for indoor use. Material: plastic cord, glass bulbs and wire Recommended for indoor use only with standard window size (24" to 48") wide. Total length of the cord stretched out measures 16 feel long, from the plug in cord to where the lights stare is approximately 8 feel long. There are 4 boxes each containing 4 sets of lights totaling 16 window curtain lights. ALL BRAND NEW, I DID OPEN EACH PACK TO MAKE SURE THEY WORK. PLEASE KEEP IN MIND IF INTERESTED THIS BOX WEIGHS 10 LBS. HARD TO FIND ITEMS