We have tried wooden mattresses and they don't fit Seams are good sewn up, the mattress is not soft, which is very important to me in terms of baby's sleep safety! As another reviewer mentioned, I bought the mattress topper shown in the photo and it fits perfectly.
2 Pack Soft And Safe Jersey Knit Cotton Fitted Crib Sheets For Boys And Girls - Neutral Baby Crib Sheet For Standard Crib Mattress & Toddler Bed Mattress (Rainbow And Sun)
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MaidMAX Cube Storage Bins, Foldable Fabric Storage Container With Handles For Closet, Laundry, Home And Office, Wood Grain Print, Set Of 6
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