This mat is designed with the Botley bot grid of 9” x 9” squares. The mat is 27” x 27" and printed on durable, matte, high quality 13oz matte vinyl. Features three lines; one jagged, one curvy, and one combination line. Robot Mats are ideal for a quick and quality solution for teaching students robotics and coding. Easy to use on the floor or on a table. Saves time and money; no longer need to create your own course or place electrical tape on the floor. Create your own challenges.