Not very specific details, but the vinyl quality from the vinyl manufacturers went downhill due to regulations prohibiting something in the manufacturing. Coupled with this MC supposedly stitched too close together which increased the problem. Someone will be along with more info.
'97 Prostar 190 - LT-1
Prior boats - 2009 X14, 2008 X14, 2005 197, 1988 Tristar 190, 1989 Prostar.