PolyesterYour No Tools window covering solution for over 30 years — trim at home to fit in perfect half-round arch windowsNo Tools installation — peel and stick for permanent installation — no drill, screws or brackets neededThe light filtering fabric of the Original Arch shade provides privacy and light controlReduces sun glare while helping prevent floor and furniture UV fadingFits perfect half-round arch windows, size 72 in W x 36 in L Get a custom fit and finish for a fraction of the cost with Redi Shade’s No Tools Original Arch Light Filtering Fabric shade. Designed for perfect half-rounded arch shaped windows, this pleated shade softly filters light while creating privacy and reducing glare. No Tools needed for installation. Just trim at home for a perfect fit inside the window, prep the surface, then peel and place for permanent installation — no drills, screws or brackets needed. These shades are available in white and natural colors. Redi Shade, the original No Tools solution for window coverings, has been designing shades in the USA for over 30 years.