Jim Dunlop Tortex triangle guitar picks. Made of Tortex (Delrin), they are durable and flexible while maintaining their shape. The gauge (thickness) is 0.50 mm. Featuring the turtle logo, they are loved by musicians around the world. The playing surface is wider than standard teardrop picks, making them easy to grip. Quoted from the site above ↑↑ Thank you. Shipping is planned via standard mail.