CONTENT: Black Wood Frame. Fits 16x16 poster exactly. Displays 15.5x15.5 without mat and 11.5x11.5 with mat. 12x12 picture can be taped to the mat. SOLID WOOD Border and TEMPERED GLASS Front. A display poster is included. Simply use the frame as received or insert your own poster. FEATURES: Substantial, not lightweight. Each frame comes with acid-free mat and acid-free pearl board to protect your artwork front and back. Border width: 1.5 inch. Thickness: 1 inch. Black backboards and back hooks for hanging frame (Landscape and Portrait). INSIDE FIT: Outer dimensions are 2.5 inches more than picture size. E.g., 11x14 frame measures 13.5x16.5. The frame will fit up to 0.10 inch thick pictures with the backing installed. It will fit up to 0.80 inch thick pictures with the backing removed and picture taped or attached to the frame. FULLY ASSEMBLED: The frames will arrive fully assembled. Please hang these frames using the already installed back hooks. Do not hang by the frame border itself. QUALITY: Smooth Matte surface finish and front face that will complement your displays. Suitable for Pictures, Posters, Documents, Certificates, Puzzles, and more.