b'SKYLINE OVERVIEWThere are three methods of measuring a shade via weight- IB, OB and FM. IB measures the space in between the window frame. OB measures the outer side of the frame. FM is an alternate method using fabric measurement for an unknown frame measurement.We are proud to feature the Skyline Products, with many options, colors, sizes, and advanced technology to improve components for greater versatility and ease of installation.8 ELITE DECOR 2022 PRICE LIST SKYLINE OVERVIEW'