"Meet the swaddle that makes diaper changes a whole lot easier. Designed for newborns to 3 months, this bamboo swaddle wrap features gunamuna’s game-changing WONDERZiP® so you can zip from the bottom without fully unswaddling your little one Choose arms in or out, and use the optional built-in belly band for a secure, just-right fit. The wider design gives baby room to fold their legs comfortably in the natural frog position—because comfort is key to longer stretches of sleep."