The Stealth Game Your Core Ab Trainer Plankster is a fitness balance board designed to target the legs, arms, and abdominal muscles. Made of PVC nylon steel, this roller is suitable for both home and semi-commercial use. It features a non-slip surface, padding for comfort, and adjustable settings to cater to different fitness levels. It comes in a vibrant yellow color and is perfect for gym training and workouts. Its unique design and adjustable features make it a versatile tool for achieving a balanced and toned body.