Blackout Linen Blended Fabric works with a wide array of home décor styles. Patented Deluxe Spring Roller Mechanism allows for smooth and precise height adustment. Child and pet safe. Thermal backed insulated linen fabric provides energy savings and UV protection. Listed Width is for headrail -actual fabric width is 1 &3/8" narrower. 2 Inches of depth is required for inside mounting. This shade mounts easily inside or outside the window frame. The Huntington Blackout Cordless Roller Shade gives maximum light control while blocking cold drafts and solar heating. The Linen Blend face fabric works with a wide variety home decor styles and colors. Patented roller mechanism provides smooth and reliable spring loaded operation with no cords. Child and pet safe.