I need one that is a proper fit for my keyboard and of good/excellent quality for going on the road.

Good quality and a great fit for the keyboard.

It’s a perfect fit

The dimensions would suggest a snug but not problematic fit.

It is a perfect fit for my 76 key Casio.

It was tough to get this answer ahead of time, but here it is: the Slim version, even though the spec numbers don't seem to add up, is a great fit for the Korg SV-1 73-note keyboard.

49-Key size us perfect fit for my 61-Key Roland Go piano!