Originally Posted by happy-stamper
The way I understand it is that these are sized to go with a regular 4 1/4" x 5 1/2" card so that you will have an even border all the way around if you center the rectangle on the card front. In other words, they are proportioned in the same way as the card. The regular rectangular nestabilities are not proportioned the same and don't leave even borders on all 4 sides when centered on a card. Clear as mud?!?
The other advantage is that you can emboss and/or sponge along the edge of the die for an added touch. Can you tell I'd like to have these?
Ha! What she said! We were typing at the same time.