Crystal Clear Film For Use On Interior Windows To Reduce Cold Air Drafts. Improves The Insulating R-Value Of Windows Up To 90%. Easy To Install With Tape And Hair Dryer. Clear Film Shrinks Tight And Wrinkles Free To Prevent Cold Drafts.
  ▪  Easy To Install With Tape And Hair Dryer
  ▪  Reduces Cold Air Drafts
  ▪  Improves Insulating R-Value Up To 90%
  ▪  Mfg #WS31226