Stay Warm, Stay Stylish! 🔥 Designed for two 3'x5' windows. Effortless installation in minutes. Keep your home cozy and energy-efficient! Quality assurance from 3M. Say goodbye to condensation and frost buildup. Warmth Keeper Easy Install Cold Air Blocker The 3M Indoor Window Insulation Kit is designed to enhance your home's energy efficiency by keeping cold air out and warm air in. This kit includes heat shrink window film and Scotch window film mounting tape, making it easy to install on two 3'x5' windows. With a focus on reducing condensation and preventing frost buildup, this product is a must-have for maintaining a comfortable indoor environment.