The information below applies to each unit in the pack Pack of 1 - Painted Wood Poster Frame with 20mm Wide & 14mm Deep Profile. Acrylic (Non-Glass) Front Aperture(s) Suitable For Image Size of 29.7 x 42 cm or 11.75 x 16.5 Inches With a Viewable Aperture of 39.7 x 27.4 cm. All Sizes Are Approximate and For Guidance A3 (30x42cm) Rectangular Frame Made From Black Painted Wood. Supplied Shrinkwrapped and Boxed Drop In Back with Retaining Clips and Hanging Loops. Rear Rebate Size 42 x 29.7 cm. All Sizes Are Approximate and For Guidance Black Picture Photo Frame Suitable For Wall Mount Only in Landscape or Portrait Orientation