What's the difference between the 4x6 Premium Mats and the 4x6 Premium Mega Mats? I am using for a garage gym floor, so I will need to butt a few mats together to cover the area.
The main difference between our 4' x 6' Premium Mats and our 4' x 6' Mega Mats is the thickness. Our Premium Mats are 3/8�