The 3-Stage SuperSeat from Summer Infant offers 360 degrees of floor time activity fun booster in one. Its a secure and comfortable area for your growing infant to learn to sit up and interact with the environment around them. With the Summer Infant 3-Stage SuperSeat, your baby can experience play while also sitting up. It?s the ideal place to keep baby entertained, safe and happy. Features: Stage one: Infant Support Seat Aids baby when learning to sit up Soft foam insert cradles and supports baby High seat back for extra support 3-point restraint for added safety Stage two: Floor Time Activity Seat Great for travel 360 degree rotating tray Removable snack tray for easy access to baby Includes 4 playful toys (teether, rattle, spinner, and mirror) 2 removable dishwasher-safe snack cups 3-point restraint for added safety Stage three: Booster Seat Small portable design, great for travel Removable soft foam insert for growing child 3-point restraint for added safety 2 sets of chair straps to secure seat to chair Age: 4 months (or up to 33 lbs.) Instruction Sheet The National Parenting Center Seal of Approval - 2008.