1You don't need to reach into the shoe for support, use the shoe tree to support the shoe, and then you can polish the shoe. 2Support the upper, reduce shoe creases and assist in solving the problem of collapse, support the heel to prevent the heel from being concave. 3Fill protection and expand the shoes to help avoid deformation, elastic support, high elasticity, good strength. 4PP material, smooth and delicate; carbon steel material, corrosion resistant and durable for use. 5Good shaping and reinforcement effect, light weight and portable, easy to carry, suitable for different occasion.