Mount Board Double thick Ivory/Terracotta 40.6x50.8cm with 27x34.6cm Window (10 pieces) [MD20039] cards then look no further and

then look no further and buy item 1218PC

4x33 cm (Inner dimensions)

Thickness: 40 micron

Crystal Clear optical clarity

isn't this the right size that you are looking for

Mount Board Double thick Ivory/Terracotta 40.6x50.8cm with 27x34.6cm Window (10 pieces) [MD20039] cards then look no further andSize: 40,6x50,8cm Cut out Size: 27x34,6cm Color: Ivory Stone Red One pack contains: 10 pieces PH neutral Standard Decorative Double Mats by Crescent are quality buffered pH Neutral matting at an economical price. Double mats have a 0,5 cm reveal. Store flat in dry climates to avoid warping. Mat board does not come With backing boards. To match these double mats, be sure to get backing board that corresponds to the outer dimensions.