Design Engineering 010433 Cool-Tube Extreme Heat Reflective Sleeve, 1.25" x 3' - Silver Ultra-lightweight heat reflective solution for wires, cables, hoses, fuel lines, etc. Withstands direct, continuous heat up to 750 degrees F Can be slit lengthwise for easy installation - no need to remove wires, cables, or hoses Easily trim to length Available in 5 diameter sizes and 4 vivid colors