Energy Efficient Window Insulation Film – Reduces heating costs with effective winter window seal; Reusable window insulation kit all season. High transparency Winter Window Plastic film – Maintains full visibility while providing window insulation for winter; Strong tear-resistant plastic for windows.

Energy Efficient Window Insulation Film – Reduces heating costs with effective winter window seal; Reusable window insulation kit all season. High transparency Winter Window Plastic film – Maintains full visibility while providing window insulation for winter; Strong tear-resistant plastic for windows.