Sadly these are not off by like a quarter inch... not even a half inch. They are off on width and on length. I do not think the guy measured them at all before cutting them. It seemed as though it could be incredibly easy. I mean the big sheets just needed to be cut in quarters, 2ft x 4 ft... they are so not that size.

As for the tubs... those 34 qt do not fit, they are too long as the depth of the shelf is only 24" or 2ft. The 28 qt were the biggest I could find at the right length. I can, however, do the 71 qt sideways and it fits perfect as well. So I can put my bigger girls in there. I am thinking 28 qt up to about 1500 grams, then switching them out to a big tub.