1. This machine is pneumatic. 2. The temperature, setting time, setfing position and pressure can be adjusted. 3. The top mould of the machine is made of special materials, durable and does not damage the vamp. 4. The bottom mold is made of special silica gel, working life can be up to 10 years, not easy to crack. 5. Lining is tightly pasted to the upper after moulding, and vamp is free of wrinkle, deformation or bubble.