Serta Nightstar Extra Firm Crib and Toddler Mattress

Amazon.com Price: $99.99 (as of 18/10/2017 03:47 PST- Details)

120 heavy duty innerspring coils, full perimeter border wire, ortho-insulated layer for support and comfort
Waterproof vinyl cover resists moisture and stains, Green Guard Gold certified: recognizes products with low chemical emissions, contributing to improved indoor air quality
Meets or exceeds flammability, lead, phthalate and CPSIA testing and does not contain toxic fire retardants, Natural cotton fire protection wrap