The Fisher-Price 4-in-1 Sling n Seat Tub is a convertible baby bath that grows along with your little bather from newborn to toddler. From the soft mesh sling built for baby s first bath to a supportive seat for wobbly sitters and a spacious toddler tub with a whale and geyser this tub can do it all. This baby bath has four stages that adapt from newborn to toddler and all the splashes in between.