Hi John,
The best piano covers we have here at CalArts are the padded/quilted ones from Instrument Covers By Jill with perimeter bumpers that run along the outside of the lid.
If there is a better cover available, I, too, would like to know about it.
Best,
Alan
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Alan Eder, RPT
Herb Alpert School of Music
California Institute of the Arts
Valencia, CA
661.904.6483
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