Do your cribs come with mattresses? August 16, 2015 05:19 Updated Our cribs are not sold with mattresses. However, a mattress can be purchased from www.davincibaby.com or any online retailer. The MDB Family Related articles Can I purchase barrel nuts locally? The right height for the mattress support Formaldehyde...UNDETECTABLE in all MDB Family products! Do your mattresses meet the Federal Flammability Standard CFR-1633 and how is this achieved?