Stops cold drafts and helps prevent frosty windows. Clear as glass. Easy-to-install - requires only scissors and a hair dryer for installation. Safe application to aluminum, painted or varnished wood, or vinyl clad window moulding. Film wrinkles are removed with hair dryer. Double stick tape included. No. 2120W-6: Double-pack, 62'' x 84'' No. 2141W-6: 5 pack film, 62'' x 210'' No. 2144W-6: Patio door kit, film 84'' x 112'' No. 2149W-6: Oversized window kit, film 84'' x 237''