Window Whirl: We’ve Got You Covered. WINDOW WHIRL GUARANTEE – This window film, just like all our products, comes equipped with a satisfaction guarantee. If you find any fault with our product, or are in any way unsatisfied with its quality, send us a picture and we’ll send you your money back. No questions asked. At Window Whirl, we value quality, trust, and you, our customer. Our signature window films were crafted with these values in mind. Nothing is more important than the privacy and security you feel when you’re home. At Window Whirl, we’re happy we can play a role in enhancing this feeling. Whether you’re renting an apartment on a busy street or looking for a little extra privacy in your house at night, Window Whirl has you covered. We value your business and are humbled to serve you as our customer. Thank you for trusting Window Whirl.