Bumbo Floor Seat Plus+The Bumbo Floor Seat PLUS+ was designed in partnership with Orthopedic Spine Specialists to deliver development and comfort. The spacious leg openings accommodate infants of all sizes and stages, up to 12 months. The ergonomic design boasts a deep seating surface and a supportive backrest that help ease babies into an upright posture. It also features belt placement for greater accessibility and a smooth texture for increased comfort and cleanliness.