Product Description The DaVinci 31” Contour Changing Pad for Changer Tray is designed for safe and easy diaper changes. With a non-toxic, PVC-free waterproof cover, extra firm 100% polyester fiberfill padding and a baby-friendly safety strap, the Contour Changing Pad is perfect for any nursery. From the Manufacturer We pride ourselves on craftsmanship. That's why all MDB mattresses are carefully engineered and balanced to be used in any MDB crib. Take a quick look at the four options to see which is best for you.