This rain boots are a fun and functional footwear option for your kids. It's hard to not sing baby shark song when wearing it. Each boot has a series of lights built into the sole that activate with each step, creating a dazzling and eye-catching display that is sure to capture children's attention and make them feel more visible and safe in low-light conditions. -Sole: Rubber -Material: High-quality PVC -Surface: Smooth surface -Cleanliness: Easy to clean -Design: Lights and Anti-skid sole -Brand: KKOMFORME