FormulaOne's Lifetime Warranty: in plain english

Formula One provides a manufacturer's lifetime warranty to replace any defective product for free for as long as you own your vehicle. If there is a problem, just bring your car and Warranty Card to any Formula One dealer from coast to coast and it will be replaced at no charge to you.

FormulaOne's Lifetime Warranty: official warranty

Formula One Performance Automotive Film (the "product") is sold subject to the limited warranty by the manufacturer, Courtaulds Performance Films, against cracking, crazing, demetallizing, or delaminating when installed by an authorized installation for as long as you own your vehicle. In the event the product is found to be defective, it will be fully replaced at no charge to you by a Formula One authorized dealer. This Limited Warranty is conferred on the original purchaser only and is nontransferable. The warranty card or proof of purchase, showing the type of film and date of installation, must be presented to the Formula One dealer to receive warranty service.

Formula One Performance Automotive Film... the one that's worth it, with the warranty that proves it.