3-in-1 baby bouncer, rocker, stationary toddler seat with kickstand Grow-with-me design for ages 0 - 30 months, up to 40 pounds Soothing vibrations help keep your infant calm; requires 1 C battery (not included) 5-point safety harness keeps baby secure; assembled dimensions 25.8x20.2x21.0" 2 reclining positions keep baby comfortable; machine washable  seat pad and bolster The Ingenuity Keep Cozy Baby Bouncer, Seat and Infant to Toddler Rocker grows with baby to be enjoyed for years. Parents love baby rockers and bouncers because they give you a second set of hands while baby sits comfortably in your sight.