Get the beauty of vintage incandescent visible-filament lights, with all the modern energy savings and durability of LED, with these flexible filament string light sets. The curved filaments are lined with LED diodes that produce a warm, beautiful light. Yet you can operate them at a fraction of the cost of incandescent bulbs. Enjoy the beauty of LED flexible filament during the holidays and all year long. Your Christmases will be merry and bright with these festive green and red holiday lights! Our commercial quality strings and energy efficient red and green LED bulbs combine to create a weather resistant, professional quality display you will love to show off! Hang these lights along the roof, across a porch or fence, or wrap them around trees for your most exciting holiday light display ever!