The DaVinci Deluxe Coil Mini Crib Mattress is designed with 50 coils and polyester fiberfill for an extra firm sleeping surface that is GREENGUARD Gold certified and 100% non-toxic, so your baby can sleep safely and comfortably. Parents can easily change crib sheets with this lightweight mattress that weighs only 7.5 lbs. This mattress features a waterproof, tear-resistant cover that will stay new through years of use.