A 5" thick Crib mattress featuring an organic cotton damask fabric outer quilted to Ecowool batting and a 4.5" Extra Firm Natural Latex Support core. Wool is used in the quilted outer for a variety of reasons including its natural temperature regulating properties, natural fire retardant properties, and its bacterial resistance. The 4.5" Extra Firm gives this mattress great support for any infant or toddler and makes it easier to change sheets. Spot clean only. Spot clean using 1 part natural cleaner or vinegar to 2 parts water. This item is made to order and ships out within 1-3 days from when the order is placed. Made here at our San Diego, CA Facility.