Naturepedic 2 in 1 Organic Ultra Waterproof Quilted Full Mattress2 in 1 Organic Kids Mattress features firm support, ideal for your growing child or teen. The mattress is highly versatile, combining waterproof and quilted sides for an ideal children's mattress. Use the waterproof side when they first come out of the crib and while they're training. The waterproof side also functions as a dust mite barrier and provides excellent backup for when the mattress pad is dislodged, missing or otherwise unavailable. When