Your little one will sleep snug as a bug with this comfortable crib mattress. The Kolcraft Pediatric 800 Crib Mattress provides a firm and supportive sleeping surface to help give your baby a healthy sleep. The heavy-gauge 80-coil innerspring unit is enhanced with a hypoallergenic cushion layer to help provide comfort and stability. The Perma-Dri waterproof cover that wipes clean with a damp cloth and features lock-stitched waterproof binding to keep liquids from seeping inside. In addition to meeting or exceeding all flammability, lead, phthalate and CPSIA testing, this entire mattress is GREENGUARD Gold certified for indoor air quality and low chemical emissions to help create a healthier sleeping environment for your baby. An airflow pocket keeps the crib mattress fresh without the use of small metal vent parts or seams that pop. Kolcraft is the leading crib mattress manufacturer in the USA, supporting babies since 1946.