The Baby Pedic Comfort Plus Crib Mattress features 150 heavy guage steel coils for firm support. Heavy guage steel border rods maximize side, corner and edges firmness. Non-allergenic soft sleeping layer plus protective wrap for comfort and support. Perma-Dri cover wipes clean with a damp cloth. Made in the USA. Meets all Federal and State Flammability Standards. Comes with a 3 year warranty.