Super large size film (9.8' x 10.5' x 2sheets) : 12 regular window(3' x 5') or 2 XL patio door
Compare other window insulation films. Larger size(40%), Same thickness.
Fine clear film heat shrinks to seal out drafts and cold
For any size of windows / doors, includes 2 rolls of extra long tape. (2 x 66ft)
For strong adhesive strength, please apply the tape at temperature above 50ºF