This set contains 1 box of CLEAR STAY-STRAIGHT Icicle Lights, each strand 150 lights A great value for the holidays! Each strand is 18' long, with 3" spacing between bulbs and 4" spacing between icicle drops. These icicle lights are strung on white wire to give them a more realistic look and hang straighter with the patented Stay Straight Grip Clip. Also comes with 4 gutter hooks UL Listed, Suitable for indoor or outdoor use