Summer Infant Booster to Toddler Highchair Booster Seat: The Summer Infant Booster seat is a very popular highchair seat. This product is now available at Kiddies Kingdom. The Summer Infant Highchair Booster seat is Currently on Special Offer. Get you hands on this quick! The Summer Infant Booster to Toddler Seat is the most flexible booster seat available, designed to grow with baby into a toddler chair. Features: 2-Level height adjustment 3-position full size tray Dishwasher safe tray Folds for travel and storage For use when baby is approximately Birth to 6 Months The following recommendations are a guide only and you should monitor your childs development to ensure the suitability of this product. Please refer to the dimensions listed.