The CA11362_IRIS-XP-E-TAPE is a 38mm oval Lens with double sided adhesive tape for use with Cree's XP-E series 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 PC (polycarbonate), allows use of high current and temperature conditions.