M-D Building Products Shrink & Seal 62″ X 120″ Box

Shrink & Seal Indoor Window Kit is installed around the entire window to eliminate cold air drafts and frost build-up. Crystal clear film that is easy to install with a hairdryer that shrinks tight and wrinkle-free. Creates dead air space to increase insulating R-Value up to 90%. Easy to Install Prevents cold drafts and heat loss through windowpanes