The CA10641_LISA-XP-SS is a 10.7mm round miniature Smooth Spot Lens for use with Cree's XP-E series of LEDs. The lens is made of optical grade PMMA (Polymethylmethacrylate) with high UV and temperature resistance (105°C/220°F) and lens holder molded of high quality white ABS (Acrylonitrile butadiene styrene). Integrated holder fastening of holden to PCB with appropriate adhesive (e.g. epoxy or polyurethane based).