● Thickness: 0.5/1/1.5/2/3/4/5/6/8/10/12/15/20mm. ● Material： Silicone. The Product Is Made of High Quality Silicone Material, Which Is Flexible and Can Be Stretched Without Deformation. The Flexibility of Silicone Material Is Much Better than That of Pvc, Anti Aging, Good Insulation and Sealing.