The mattress is not comfortable, it feels like a piece of cardboard. I cut a piece of 3" foam on top to make it comfortable for my grandson to sleep. I didn't want to spend a lot of money, since it wasn't going to be used often.The quality isn't that great... I guess you get what you pay for. I was also dissapointed that it didn't fit between the doorways. I have to close it up to get it through. It's an ok playyard.