Sealy Ortho Rest Crib Mattress - still in original plastic covering - $20 "The Sealy Ortho Rest Crib Mattress is a perfect addition to complete the looks of your nursery. This toddler bed mattress comes with 150 heavy gauge interwoven steel coils for a firm foundation. This gives your baby a firm support to have an undisturbed sleep for a long time. This toddler bed mattress has two non-allergenic layers that keep you away from bugs and mites and gives a durable performance. In addition, this mattress comes with water proof lock stitching to keep away mold, mildew, and odor. You don t require smell metal vents to be used with this mattress as it comes with air flow pockets to keep it fresh. Apart from providing the needed comfort for your baby, the Sealy Ortho Rest Crib Mattress also exceeds the safety standards that make it a reliable choice." - Walmart