This is a set of two KEYUCA order curtains (lace). They are made with TEIJIN's heat-shielding material "Suzushiya (R)". These curtains are designed to be used as a pair, opening from the center. The product is listed on the following website: https://www.keyuca.com/Form/Product/ProductDetail.aspx?shop=0&pid=7100100&cat=410001002 ・Style: Flat / 2-pleat, 1.5x fullness / 3-pleat, 2x fullness ・Features: UV cut / Washable / Heat shielding / Flame resistant / Mirror effect ・Composition: 100% Polyester ・Size: W=4,240mm H=2,450mm ✳︎W is the combined width of the two panels ・No noticeable stains I have used these curtains for two years, but I am selling them because they do not fit the window size of my new home. Please feel free to contact me if you have any questions.