OXO Tot Splash & Store Bath TubThe OXO Tot Splash & Store Bathtub is to grow with little ones from birth ' 18 months. The carefully engineered design has a narrow end for cradling newborns and smaller infants ' eliminating the need for a separate infant insert. The wider end is perfect for babies who can sit up on their own, giving them plenty of space to splash. The built in support post keeps babies safely in place, no matter their age or stage. The quick release, dual sided