Add an extra layer of comfort and support to your baby"s crib mattress with the Sealy Naturals pad. It has a cotton-blend skirt that neatly tucks under the mattress for a sag-free fit. Its elasticized edge keeps the pad in place and prevents sliding. This quilted mattress pad is made of 100% cotton with a 300-thread count for extra comfort and super absorbency. The pad is filled with ingeo, which is made from corn for a soft and plush feel. Fits all standard cribs and toddler bed frames. Its hypoallergenic. Machine wash this pre-shrunk mattress pad for hassle-free maintenance.