The product is a set of vintage, multicolor incandescent Christmas lights that work using fiber optic technology. These decorative string lights are perfect for adding a festive touch to your holiday celebrations. The lights are designed to be used during the Christmas season and are sure to bring a warm and cozy ambiance to your home decor. With their unique fiber optic lighting technology, these lights provide a magical and whimsical illumination that will delight both children and adults alike.