Save up to 18% on your heating/cooling bills! Incredible Energy Film® gives any window double-pane results… without the price tag. This clear, thin film repels harsh summer sun while retaining interior warmth in the winter. Blocks 97% of UV rays, but not your view—surface is non-reflective and transparent. Easy, no-adhesive application. Simply peel and stick. Available in 3 sizes. Made in USA.