Slippers are a type of shoe, with a completely empty heel and only a toe on the front. They are mostly flat bottomed and do not require shoelaces. The materials are often quite light and soft leather, plastic, fabric, etc. The types of slippers vary depending on the occasion they are worn and their performance and purpose. For example, beach slippers are not made of fabric, but of plastic, which is designed to be waterproof and easy to clean. The toe shape is also specially designed, often referred to as flip flops, also known as flip flops. But in winter, indoor slippers may use fluffy cloth instead of plastic to keep warm, allowing people to have better enjoyment in the room. There are also anti-skid slippers for bathing, as well as anti-static slippers commonly used in electronic factories and dust-free workshops.