Do it Best 42 In. x 62 In. Indoor Shrink Film Window Kit, (9-Pack)

Vinyl sheeting, easy DIY application requires only scissors and a hair dryer. Heated with portable hair dryer, vinyl sheeting shrinks to form see-through weather seal around window. Stop cold drafts and prevent frosty windows. Vinyl sheet mounts to frame via double-faced tape. Increase R-value up to 90%. Safe application to aluminum, painted or varnished wood, or vinyl clad window molding.