Imitation tilapia skin is mainly made of synthetic materials or synthetic leather. Synthetic materials such as polyurethane (PU) skin, polyester fiber (PE) skin and PVC skin can be used to make imitation tilapia skin. These materials have certain softness and similar appearance, which can simulate the texture and texture of tilapia skin. In addition, we can also use the treatment technology and technology of dermis to imitate tilapia skin. Generally speaking, the materials that imitate tilapia skin are mainly synthetic materials and synthetic leather.