M-D Building Products Polar Block Indoor Window Shrink Film 62 in. L X 25 ft. W 1 Rolls

The M-D Polar Block Clear Plastic Window Kit protects against drafts, moisture, and cold temperatures. Save on energy by insulating windows and preventing heat loss. This item provides a protective barrier allowing warm air to be trapped between the film and the window to prevent condesation build up and to insulate windows. The crystal clear wrinkle-free finish provides high visibility. No hardware required. Before installation cut to desired length with scissors. *