Colgate Eco Classica I Organic Cotton Crib Mattress, Ecru Price:  $235.05 (as of 19/10/2017 01:14 PST- Details)

Standard size orthopedic style five inch thick lightweight foam crib mattress fits all standard size cribs and toddler beds
A greenguard air quality certified ecologically friendlier Certi-PUR-US certified foam mattress made with plant oils replacing much of the petroleum based oils used to make foam
Certified organic cotton cover closest to baby’s skin, with a waterproof backing lets nothing inside the mattress