Round Silicone Rod Material: Silicon rubber has excellent thermal resistance, cold resistance, dielectric, ozone resistance, and atmospheric aging. Silicon Cord Silicone Bar Size: Temperature resistance:-60 ~ +240 degree centigrade; Hardness:shore A 60 Silicone rubber bars: The silicone sheet for crafts is made of food grade silicone, which is flexible and cuttable. No fade and no deform. ensures the durability, since our extra large silicone mat is twice as thick as other cheap craft mats. Silicone Sheets use for: The door frame, side window, front and rear windshield, engine lid and luggage lid to play waterproof, dustproof, sound insulation, temperature, shock absorption, decoration。 Home Improvement Package: 1pcs×Solid Silicone Rubber Seal Strip (If you buy more, we will send the sum of the length of the size.) Round Silicone Rod Material: Silicon rubber has excellent thermal resistance, cold resistance, dielectric, ozone resistance, and atmospheric aging. Silicon Cord Silicone Bar Size: Temperature resistance:-60 +240 degree centigrade; Hardness:shore A 60Silicone rubber bars: The silicone sheet for crafts is made of food grade silicone, which is flexible and cuttable. No fade and no deform. ensures the durability, since our extra large silicone mat is twice as thick as other cheap craft mats. Silicone Sheets use for: The door frame, side window, front and rear windshield, engine lid and luggage lid to play waterproof, dustproof, sound insulation, temperature, shock absorption, decorationHome Improvement Package: 1pcs×Solid Silicone Rubber Seal Strip (If you buy more, we will send the sum of the length of the size.)