This voucher is valid for one pair of Trico Teflon Shield Wiper Blade (16" up to 28" and up to a $40.99 value). No expiry date, no cash value, is not replaceable if lost or stolen. Visit www.speedyglass.ca to find a location near you. Teflon SHIELD wiper blades are a crossover in blades that offer the superior wiping of a beam blade with the added protection and styling of a hinged shell encasing the wiper. Exclusive Teflon blade surface protector ensures smoother, quieter wipe and longer life. Engineered for maximum contact with today¿s highly curved windshields. Superior all weather wiper blade performance. Easy to install, pre-attached adaptor is designed to fit 95% of vehicles directly.