The C11333_CUTE-3-SS is a transparent 35mm round multi-LED Smooth Spot Lens made of optical grade PMMA (Polymethylmethacrylate), allows use of high current and temperature conditions. It is specially designed for use with for Cree's XM-L series of LEDs. A special care has been taken to make uniform white or warm white illumination and lenses work well with other colours also.