Frost King Shrink Film Window Kit, 4-Pack, Clear

– Frost King’s Indoor Window Insulation Kit includes 4 shrink films to insulate standard sized windows.
– Increases the R-Values of windows by up to 90% for energy-saving efficiency.
– Shrink film can be easily applied using the double-faced tape included in the kit.
– Shrinks to fit the window using a hair dryer (not included).
– Helps to keep out drafts and reduce energy costs.
– Suitable for use on indoor windows.