Our versatile bathtub grows with baby through three stages and is the only baby bath tub you'll ever need. The sling locks into two ergonomic positions: higher for full-body support and lower for seated support. Dual layered mesh and comfort-edge construction securely cradles baby from head-to-toe. The slings adjusts to a cushioned seat that comfortably supports babies learning to sit. Remove the sling when baby has mastered sitting and easily bathe baby in the spacious tub - no uncomfortable plastic bumps. Features: Suitable Age 0 Months + Tub grows with baby through three stages: Stage 1: Newborn (0-3 months; up to 15 lbs); Stage 2: Infant (3-6 months; up to 20 lbs); Stage 3: Sitters (6+ months; up to 25 lbs) Mesh Smart Sling provides Comfort-Edge support and locks into two ergonomic positions: Upper position: Offers head-to-toe newborn cradling; Lower position: Supports infants learning to sit Remove sling completely when baby sits upright Swivel hook for hanging on showerhead, show