The Ab Wheel with Knee Mat is the perfect tool for strengthening your abdominal muscles and developing a toned midsection. This wheel can help you target your abdominal muscles and increase core strength, balance and flexibility, while the comfortable knee mat provides support and cushioning during exercises. The wheel is made of durable, high-quality plastic that is designed to last and is designed for use on any flat surface. Use this wheel to help develop core strength and strengthen your stomach, while the knee mat provides extra comfort and cushioning for your knees. With this wheel, you can make the most of your abdominal exercises and see results quickly.