John Lewis Domette interlining is designed to be used between the face and lining material of curtains and blinds. Adds body to curtains Is usefull to use with thinner fabrics, such as light weight silks and cottons, to increase drape Adds a luxurious feel Can be used to add extra protection from sunlight to curtain fabrics Excellent at blocking out draughts and has insulating qualities Made in the United Kingdom.