a Pack 'n Play. That's actually Graco's brand, as that company debuted the pop-out, fold-up wonder that is a portable play and sleep space. Our Good Housekeeping Institute list of the best ...

When used properly, play yards, playpens, pack and plays, or Pack 'n Plays (as the Graco brand product is known) are generally a safe option for sleep for babies of many ages, weights, and sizes.