LED Flashing Necklace can be your own logo and style, Trial order can be accepted With constant light and Bliking light 1. It can be used ... , Circle, Heart, Martini Glass, Star, and Bottle Cap,3. OEM/ODM LOGO and shape you welcome.4. LED lights color: Red, Yellow, Blue ... , Jade, White, Purple, Pink .5. Material: PS drop with one wire lanyard and batteries. size ...