The QB Wristband provides the ability to review your plays on field and call out positions with ease when necessary. Not only is this convenient, but it also increases chances of winning the game and improving both your and your team's performance. The wristband is designed to fit adult players of any sport including but not limited to: basketball, lacrosse, soccer, different variations of football, rugby, etc. Our playbook wristlet is made of cotton and spandex and built for durability and comfort. The velcro portion ensures that it remains on your arm. Order your pack and receive 12 playbooks for an amazing price!