Window Insulation Kit, 63 x 400 Inch Plastic for Window Cold Weather (Fits up to

【 Block Drafts & Save 】This ultimate window insulation solution seals cold air in winter and hot air in summer, cutting energy bills and keeping your home cozy year-round. It’s the easiest way to winterize your space and reduce heating/cooling costs | 【 Large Size & Complete 】Includes 63in x 400in insulation film (folded) and 2 rolls of double-sided tape. Fits large windows, patio doors, and most window types—ample material for oversized openings. The tape adheres firmly and removes residue-free for hassle-free use | 【 Easy DIY Install 】Clean and dry the window frame first. Apply double-sided tape evenly along the frame, cut the film slightly larger than the window, and attach it without wrinkles or bubbles. Heat evenly with a hairdryer for a crystal-clear finish | 【 Premium POF Material 】Crafted from high-quality POF (Polyolefin), the thickened film is tear-resistant, durable, and robust. It shrinks tightly with heat while maintaining excellent transparency, balancing strength and clarity for professional insulation | 【 Wide Compatibility 】Suitable for aluminum frames, casement windows, attic fan covers, shutter covers, patio doors, and large windows. Enhances insulation and reduc