3M Indoor Window Insulator Kit, 5-Window

Features:

• Included: (1) 5.16' x 17.5' film sheet, (2) rolls of tape, 1/2" x 27.7 yd
• Insulates five 3' x 5' windows
• Lowers heating costs and saves energy
• Applies easily, shrinking tight, wrinkle-free and clear on glass
• Increasing the R-value of single pane window by 90%