Yingu, an expert in color lights come from China's city of light. Be made of the decorative light or LED string light, plus the different styles cover, the cover such as bottle, bottle cap, dice, can, car, tyre, ice cream, ribbon, flag, football, basketball, paper lantern and so on, all light string has UL. CE approval. Use for indoor and outdoor. You can printing any LOGO on the covers. It's the best way as a advertisement promotion