I know that paper is preserved with acid free paper. I don't know much about the vinyls, but to keep it away from heat and store it, maybe in an upright position or flat, don't know for sure. I have old 45 rpm's stored in boxes laying down, but I think they should be in an upright position. Mine have been just fine all these years. I have had them since they first came out way back in he 50's
I know someone has a better answer then me.