this is the mattress: we used covers and crib sheets, both are super clean!
Moonlight Slumber Moonlight Slumber Starlight Support Supreme All Foam Crib Mattress With Visco
/Moonlight-Slumber-Starlight-Support-Mattress/dp/B004KSKGSE
we bought them for $250 each, asking $100 each.
Pick up in graduate hospital.