Your little one will sleep soundly on this La Baby 2-inch thick mini/portable crib mattress. Designed with your baby's health and well-being in mind, this non-toxic white mattress fits standard-size portable crib frames. The cover of the mattress has a dust mite barrier and is both hypo-allergenic and anti-microbial. The outer cover is also waterproof and stain resistant, so the mattress is easy to maintain. To clean it, simply wipe down the mattress surface with water and non-abrasive soap.