Question: is a crib mattress the same as a toddler mattress?
Answer: A little secret about toddler beds that does not seem immediately self-evident is that most crib mattresses are actually the same size as toddler mattresses. In other words, crib mattresses and toddler mattresses are one and the same. ... Toddlers, however, can use pillows, blankets and a nice warm comforter.