Material: Silicone resin What will you get in the box? -1 x Vacuum silicone tubing with an inner diameter of 3mm -1 x Vacuum silicone tubing with an inner diameter of 4mm -1 x Vacuum silicone tubing with an inner diameter of 5mm -1 x Vacuum silicone tubing with an inner diameter of 6mm -1 x Vacuum silicone tubing with an inner diameter of 8mm -1 x Vacuum silicone tubing with an inner diameter of 10mm Our product advantages: -Made of high-temperature resistant silicone resin material, it is resistant to aging, has good flexibility, smooth surface, and is not easily deformed -The thick wall design allows vacuum tubes to work in high-pressure environments, allowing for the connection and replacement of various pipes in high-temperature environments such as engines -Multiple sizes, good sealing performance, high-quality and durable