Specification Brand : Facimi BulletPoint1 : ① DESCRIPTION: Vertical blinds will make any window look and feel brand new. Enjoy pristine 3.5inches slats that turn and glide smoothly to reveal or hide your view. Room darkening slats hang straight and evenly for a neat finish. Blackout window blinds was made by 100% polyester, upgraded fabric is more shading and can block 100% light and UV ray. BulletPoint2 : ② MADE-TO-ORDER: We provide custom service to make sure you can receive correct shade size. Choosing the color and type you want. Hit the “customize now” button on the right side to fill out your custom measurements. Choosing mounting type, provide custom measurements. If your size is not found on the customize list, please select the closest size to process order. BulletPoint3 : ③ INTERNAL MOUNT: For inside mount, at least 2 inches depth is needed, fill out the customization form with the exact measurement of the OPENING to the 1/16th inch then WE WILL TAKE 0.4 INCH deduction off the exact window width and 0.25 INCH deduction off the exact window height so the blind will fit perfectly in that opening. If the blind size same as the opening width, it will be hard for you to install the blind inside the opening. BulletPoint4 : ④ EXTERNAL MOUNT: WE WILL NOT MAKE ANY ADJUSTMENT, so provide us with the exact shade size you want when filling out the customization form. Outside mounts are traditionally mounted above the window opening and go slightly wider than the opening. Usually shades width need to be 3" to 10" wider than window width, shade height need to be 5" to 10" longer than window height for better coverage. All mounting brackets are included, easy to install. BulletPoint5 : ⑤ SHIPPING: Our window roller shade contains an accessory kit includingbracket,screws and install instruction for convenience.To make sure you receive the package quickly and correctly please reconfirm the shipping address. A kind reminder, BOX address is not available, so please provide your physical address. CareInstructions : wipe with a clean cotton cloth Color : H Shape Slats - Faux Line - Light Coffee ControlType : Cordless ExternallyAssignedProductIdentifier1 : 766746300254 ExternallyAssignedProductIdentifier2 : 0766746300254 FabricType : 100% Polyester GpsrSafetyAttestation : 1 IncludedComponents : Shade included, hardware included ItemDisplayDimensions_Depth : 0.1 inches ItemDisplayDimensions_Height : 46.5 inches ItemDisplayDimensions_Width : 3.5 inches ItemDisplayWeight : 1.33 pounds ItemName : FACIMI Blackout Vertical Window Blinds, Light Coffee Custom Thermal Insulated Waterproof UV Protection 3.5 Inches Slat Fabric Blinds, Vertical Shades for Windows, Doors, Sliding Doors, French Door ItemPackageDimensions_Height : 24.2 centimeters ItemPackageDimensions_Length : 0.4 centimeters ItemPackageDimensions_Width : 18 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : window-treatment-vertical-blinds LengthRange : 46.5 Inches LineWeight : 100 lbs Manufacturer : Facimi Material : Polyester ModelName : Single Rods ModelNumber : d7eaf94b-70dc-4cbb-ba5f-62c9076276ce MountingType : Inside Mount, outside mount MountingType1 : Inside Mount MountingType2 : Outside Mount NumberOfItems : 1 NumberOfPanels : 1 Opacity : Blackout inches OperationMode : Manual PartNumber : QS-SBY-Qiankase-(Quan-1013717) Pattern : Solid PatternType : Solid ProductDescription : Inside Mount Measure the inside opening width on top, middle and bottom. Choose the smallest value as the opening width to place the order. Measure the inside opening height on left, middle and right. Choose the largest value as the opening height to place the order. We will take off 0.4 inch based on opening width to make the blind. Blind height will be 1/4 inch shorter than window height. Outside Mount Measure the outer frame width and add 1-3 inches as the final blind width to place the order. Measure the outer frame height and add 3-5 inches as the final blind height to place the order. We will make NO changes on the final blind size you chose.