Due to its heat-insulating properties, this single curtain is an invaluable aid when it comes to offering protection against draughts and cold. Form meets function with this item, allowing you to decorate your home and save energy all at the same time. This double-width curtain has a seam down the middle. Please note that the width is reduced by approximately one-half when on the windows. This item is subjected to continuous quality controls and has been tested for traces of formaldehyde, heavy metals, pesticides, and PCB.