Three modes of use include a full-size high chair, booster seat, and toddler chair. The soft foam seat pad adds extra comfort for baby, wipes clean instantly, and is even dishwasher safe! The EasyClean™ tray removes with one hand, is dishwasher-safe, and features four locking positions to grow with baby. The Trio SmartClean has three recline positions to accommodate a growing baby and toddlers up to 50 pounds. When used as a booster and toddler chair, it can even seat two children at the same time.