5-stage convertibility with removable backrest, tray and armrest, 2-level height adjustment, 3-level tray adjustment, dishwasher-safe serving tray, cup holder accepts most sippies plus juice boxes, specially-designed easy-grasp area for finger foods, removable and wipe able full seat pad, 3-point harness, chair straps for non-slip security, folds compactly for travel and storage.