Duck Brand 281506 Indoor 10-Window Shrink Film Insulator Kit, 62-Inch by 420-Inch __3PACK__ Duck Brand window kits have crystal clear film and are easy to install Double sided tape adheres firmly to window moldings. Works well on painted/varnished wood, aluminum Guarantees a draft-proof seal. For indoor use only. Non-splitting shrink film and tape removes clean Kit insulates 10 standard 3-Feet by 5-Feet windows 3 pack