Frosted LED Flex tub accomodates LED ribbons up to 10mm width and is available in custom lengths up to 50 meters (164 feet)This flexible silicone is used to provide linear illumination when paired with LED flex ribbon. This model accommodates 8mm or 10mm width LED Flex Ribbon. Features of the Flexible ZRF-16-F-MULTI LED channel tube include:Frosted Lens, Water Resistant, Flexible, UV Resistant, Even Illumination, Neon Replacement. Custom lengths and differerent color and brightness options can be used with a variety of LED Flex ribbon to achieve 12V or 24V with various colors and brightness levels. Consult with JKL for customizations and assembly options.