UltraLED Ribbon Flex - Tricolor LEDs 36 per meter, 5 meter roll with mounting clips & end caps. LED Ribbon Flex is an innovative product which incorporates a flexible circuit board and cutting edge RGB 3-in-1 SMD LED. The flexible PCB can be bent to a maximum radius of 2 cm. LED Ribbon Flex is dimmable and color controllable. LED Ribbon Flex is designed for long linear applications, complex signage, cove lighting and structures, convex, concave and other curved surfaces and objects. It is very low profile and fits in a very small area.