Custom mats - no design fee Lowest cost for extra openings Personalized photo frame matting Custom made picture frame & matte 1. Glassless and portable2. Matboard with white core, black core, cream core mat board3. Lignin free and acid free4. Thickness: 0.5mm--3.0mm5. Bevel cut, reverse bevel cut, V-groove 6. Multi layers and multi openings7. 3x4.5", 4x6", 5x7" and other sizes are available8. A ...