The ones I have that still have a label on are...."Purr-fect Punch" acrylic....the older labeled one says 2 ply and the newer labels don't say but looking at them they are 2 ply...like REE I had thought 3ply but I guess not. I'm sure they are all 2 ply and I have a lot of them...started buying years ago when Wal-Mart still had it. Ebay can be a source now also.