Specification Brand : Linen AVENUE BulletPoint1 : Linen Avenue light filtering tdbu shades allow light to pass through the fabric (these are not blackout) BulletPoint2 : For inside mount measure your window horozontally in three places; top, middle and bottom, use smallest measurement and subtract 1/4in from the width of your window measurement, and order this width BulletPoint3 : For outside mount add 4 inches to the width of your window measurement, and order this width . This will allow for a 2 inch overlap on each side of the window BulletPoint4 : Each 9/16 inch single cell honeycomb cordless cellular shade is child and pet safe with a smooth cordless operation that conforms with CPSC child safety guidelines BulletPoint5 : End caps, simple snap-in brackets (that fit for both inside mount and outside mount applications), and mounting hardware is included CareInstructions : Spot Clean Color : Platinum ExternallyAssignedProductIdentifier1 : 194779009262 ExternallyAssignedProductIdentifier2 : 0194779009262 FabricType : 100% Polyester IncludedComponents : Linen Avenue Custom Cordless 18 1/2 W x 42 to 48 H Muslin Top Down Bottom Up (TDBU) Light FIltering Cellular Shade ItemDisplayDimensions_Height : 3.25 inches ItemDisplayDimensions_Length : 48 inches ItemDisplayDimensions_Width : 18.25 inches ItemDisplayWeight : 4 pounds ItemName : Linen Avenue Cordless Cellular Top Down Bottom Up Light Filtering Shade 18 1/2 W x 48 H, Muslin (Arrives 1/4" Narrower) ItemPackageDimensions_Height : 4.75 inches ItemPackageDimensions_Length : 2.75 inches ItemPackageDimensions_Width : 21.5 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : window-treatment-cellular-shades Manufacturer : Linen Avenue Material : Polyester ModelName : U3MU1850B48 ModelNumber : U3MU1850B48 MountingType : Inside Mount,Outside Mount NumberOfItems : 1 NumberOfPanels : 1 OperationMode : Manual PackageLevel : unit PartNumber : U3MU1850B48 PatternType : Solid ProductSiteLaunchDate : 2017-02-24T08:00:01.000Z RoomType1 : Home RoomType2 : Office RoomType3 : Nursery RoomType4 : Indoor Size : 18 1/2 W x 48 H SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 52131600 WaterResistanceLevel : not_water_resistant