Draft prevention and comfort - Blocks air leakage with efficient sealing to reduce energy consumption while maintaining a stable indoor temperature for consistent comfort. Wide compatibility and versatility - Engineered to fit casement and roof windows, providing flexibility for homes or workplaces and supporting various window configurations. Easy installation and maintenance - Peel and stick design enables quick installation and easy removal without the need for professional tools, delivering an effective solution for improving your air conditioner window seal setup. Durable performance - Made with high-density sponge to ensure stable performance and long-term durability, resisting temperature fluctuations for dependable window sealing throughout its lifespan. 2-3 practical use scenarios - Home living room with a casement window and a window AC unit Use this seal to minimize drafts around the window, helping the AC work more efficiently and maintaining comfortable temperatures without overcooling. - Loft or attic space with a roof window Apply the seal around a roof window to reduce heat gain in summer and heat loss in winter, improving energy efficiency in an often challenging area to seal. - Office or workspace with multiple window configurations Retrofit various windows with the same seal to achieve consistent sealing and energy savings across different window types and layouts, without needing special tools.