The Custom Day Night Roman Shade Cordless features a double-layer design that balances light filtering and privacy, giving you flexible control of indoor light. Lift System: Cordless. Size range: Width is from 18 to 72 inches; Length is from 24 to 66 inches.  Liz Fabric Material: 10% linen 90% polyester. Jawara Fabric Material: 73% linen and 27% cotton blend. Ron Fabric Material: 45% Cotton 55% Linen blend.(Herringbone Texture) Patti Fabric Material: 100% Belgian linen. Ian Fabric Material: 70% viscose 30% Linen. Andy Fabric Material: 100% Cotton. Sheer Fabric Material: 100% polyester (Scandina White HN906-5). Headrail size: Long as roman shade width, 2''h x 1 1/2''d. Headrail Material: aluminum alloy. Bracket size: Outside: 3 1/16''d. Inside mount: 1 7/8''d. The lining can only be added to the fabric layer, not the sheer layer. Color counts on dye lots. Note 1: You need to opt for a blackout liner to achieve total blackout effect for the night layer. Note 2: Roman shades under 34" in length come with 3 folds by default. For special requests, contact support@twopagescurtains.com. Features: Day-Night Functionality: These shades have 2 layers – a sheer layer for daytime use and a blackout layer for nighttime use. The sheer layer allows filtered light during the day, providing privacy without blocking out natural light, while the blackout layer provides full coverage for total privacy and darkness at night. Light Control: The dual layers allow flexible control of light and privacy. You can choose between the sheer and blackout layers depending on the time of day or your needs. Energy Efficiency: The blackout layer can help insulate windows, reducing heat loss in winter and blocking out heat in summer, making them energy efficient. Relevant Tutorials: Video - How To Install Day Night Roman Shade