MAT OPENING INSTRUCTIONS:
- Measure width & height of image you are framing (ex. 11x14)
- Subtract .5" from each dimension (ex. 10.5x13.5)
- Enter the smaller number for Opening—Short Dimension
- Enter the larger number for Opening—Long Dimension
** Mat openings will be cut EXACTLY as entered by the customer.
If you require special customization or have questions, please contact our Customer Support Team at 1-877-875-6641.
I had this mat ordered in a custom size and it was perfect.