DOM can be found on the inside of the mattress cover, sewn in seam.
The Manufacture Code on your product or card will be listed in the following format:
Use this to enter the Manufacture Date in the box when you register your crib mattress.
09 = month(MM)
19 = year (YY)
If you have any trouble registering your product online, please contact our Kolcraft customer service department at 800.453.7673.