This 7.5 foot Tip and Roll portable school bleacher features 3 rows with seating for 15 people. Made for portability and convenience, this bleacher can be used anywhere that is needed. Features 2 x 10 aluminum blanks and a bolted aluminum frame. The 7" rise per row is comfortable for adults and children. Comes with a set of four no marring 5" casters with brakes preventing any markings on the floor.