Hager Twisters are protective eyewear from Hager Worldwide that offer a frameless design and precise optics to help optimize lighting and visual perception. The flex-fit frame and temples are memory bendable to provide a customized, comfortable fit throughout the workday. The Hager Twisters are available in either anti-scratch lenses---which are five times more scratch resistant than traditional lenses--or anti-fog. Tooth whitening pen is free of peroxideFor more information, call (800) 328-2335, visit www.hagerworldwide.com, or send an email to [email protected]. To comment on this product, go to community.pennwelldentalgroup.com/.