Window Insulation Kit, Window Thermal Cover Insulating Curtains for Winter, Cold and Windproof Secondary Glazing Kit for Windows, Customizable, Reusable, Punch Free,W*H:120x150cm/47x59in

[Keep Warm in Winter]A winter window sealing kit used in winter to keep wind/cold out and prevent heat loss. Made of environmentally friendly thicken 4mm PVC bubble film, tear-resistant, waterproof, no deformation, better wind resistance and thermal effect. [Save Your Electric Bill]In winter, the window seal kit will keep your room warm and heat-insulating. In summer, prevent heat from entering your room. Lower your electricity bill. Meanwhile, the window insulation are dustproof, windproof and soundproof. [Zipper Design]Double-sided zipper design, which can be opened inside and outside. Easy to open and close, while keeping warm and windproof, opening the window is convenient for breathing and effectively keeps warm. [Wide Range of Applications]Our indoor window insulation kits are suitable for casement/outward opening/inward opening windows. Aluminum alloy and plastic steel windows are best. Note: The width of each window frame should be larger than 2cm. [Custom Size]Note: After the order is successfully placed, you need to inform us of your opening size (M, N) by email. If you can't find the size, you can email us the size you want (X, Y, M, N). We will inform you about product prices and order methods.