These are vintage lights.  I test again prior to shipping,

These Vintage Christmas String Lights feature 35 red and clear tulip flower petal lights on a green wire, perfect for adding a festive touch to your indoor and outdoor decor during the holiday season. The incandescent lights have a flash character and are designed in a flower and tulip pattern, adding a nostalgic and vintage touch to your seasonal decorations. The corded electric string lights are made of plastic and offer a multicolor lighting option for a unique and charming display.