Vinyl J Flex J channel is a flexible vinyl j-channel designed to provide a finished edge for most profiles of vinyl siding.Vinyl J Flex J channel is especially applicable on irregular shaped applications such as round, oval, half-round and other curved and shaped windows, louvers, etc.Vinyl J Flex J channel is not limited to straight line applications like rigid j-channel and can easily be adapted to conform to any shape by cutting slits on the nailing strip.Vinyl J Flex J channel Plus provides all the advantages of Vinyl J Flex J channel with an additional 12" width for thicker siding.Lengths Available are 12'6". Width's are available in 34", 1 14" and 1 12".