Graco Premium Foam Crib and Toddler Bed Mattress, Standard and Full Sized

Amazon.com Price:  $33.99 (as of 18/10/2017 12:47 PST- Details)

Mattress ships compressed in a small, lightweight and easy to carry box, once mattress is removed from box and unpackaged, it will start its expansion process
Please allow at least 48 hours for mattress to expand to its full size (actual expansion time may vary)
Features a water-resistant inner-lining to help keep your baby clean and dry