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Custom Mats

Custom Size Openings and Custom Size Mat?
Need an 'Opening Size' not listed? Easy, choose the custom mat board opening option and type in what you want. Need a different 'Mat Board' size not listed? No problem, choose the next larger size mat and we'll cut it down to size for you. No extra cost for this.

  • Custom Opening Sizes 
    We will cut the opening EXACTLY as you type it in. If you type 8x10, the opening will be exactly 8x10. Please note that if your paper size or artwork is 8x10 it may fall through the opening. In this case, you would want to specify an opening of say, 7.5x9.5, to allow for a .25" overlap on all four sides of the artwork/photo. Subtract .5" from the actual photo or paper size to get this number.
  • Custom Outsize Dimenison Mats (up to 22x28 max.)
    To order a custom size for your custom cut mat boards, round up to next "standard" size outside dimension mat listed. Example, if you want a custom picture mat sized 11x15, you would select a 12x16 mat size; if you want a 17x22 mat you would select a 18x24 mat size. Simply select the larger custom mats size and then, in the Special Instruction box, right above the 'add to cart' button, type in the Outside Dimension you want. "Cut Outside Dimension to 17x22" or "OD 17x22". We will then cut the custom mats down to that size for you. No extra cost. Make sure your Opening Size is not too large for the new custom mat board size.

 Fraction to Decimal cheat sheet

  • 1/8 = .125
  • 1/4 = .25
  • 3/8 = .375
  • 1/2 = .5
  • 5/8 = .625
  • 3/4 = .75
  • 7/8 = .875