HSF811S. Form-A-Line Sign Frame Coordinates Perfectly with Form-A-Line Posts and Accommodate Media Up To 3/8" Thick. Frame is Satin. Size 8 5/8"Hx11 1/8"W. Form-A-Line Sign frames are easy to use. The panels are easily changed by carefully sliding upward and finished to coordinate perfectly with the Form-A-Line posts. Color Satin, Size 8 5/8"Hx11 1/8"W. Holds Media up to 3/8" Thick Double Sided Capability .