Displays2go Double-Sided Clear Acrylic Dual Sign Holder Displays (4) 8-1/2 x 11 Inches Graphics with Gloss Black Border, Mounts To Glass with Suction Cups, 23 x 15 x 1-1/2 Inches (GWM1185BK2) Thick gloss black borders separate frame into 2 windows. Six suction cups securely hold sign frame to non-porous surfaces like glass doors or windows. Double-sided dual frame displays (4) 8-1/2 x 11-inch graphics in a vertical or horizontal orientation. Graphics are loaded into frame by unscrewing the decorative screw caps and sliding into place. Dimensions: Overall: 23"w x 15"h x 1-1/2"d Viewable Area: 10-3/4"w x 8-1/4"h Poster Size: 11"w x 8-1/2"h Weight: 3.5 lbs.