Product details:

Say hello to the most beautiful, most indestructible Christmas lights youll ever own: OptiCore. These Christmas light bulbs are made of polycarbonate, up to 200 times stronger than glass, which makes them incredibly shatter resistant. OptiCore bulbs also feature a reflective core design that generates beautiful light and rich, vibrant color. They are rated to last up to 60,000 hours, so you get years of reliable lighting. And, these lights are so energy efficient you can connect up to 20 light sets together end to end from a single power outlet. These smooth/opaque bulbs look so much like vintage incandescent Christmas lights you won't believe your eyes. Yet they deliver all the advantages of LED. So if youre tired of replacing cheap Christmas lights year after year, step up to the Christmas lights that stand the test of time: OptiCore.