- Prevents heat loss through windows
- Clear design allows plenty of light to shine through
- Easy to install
The Frost King Indoor Window Insulation Kit (4-Pack) provides shrink film and tape to insulate 4 standard sized windows. Shrink film on windows helps increase their R-Values up to 90%. This provides energy-saving efficiency. Shrink Windows also stops drafts.
- Designed for interior use on windows
- Accommodates up to 4 standard sized windows
- Each sheet measures 62 in. L x 42 in. W
- Helps R-value increase up to 90%
- Shrinks with hair dryer (not included)
- Heavy-duty shrink tape included
- Saves money
- Saves energy