1. material: this balance board foot strengthening trainer is made of natural wood with nonslip rubber pads and smooth, burr surface. Safe and environmentally friendly, sturdy and durable for longterm use, which can ensure the of the user during the balance training process. 2.Foot training: the monopod balance board improves balance and stability through controlled movements. It is designed for rehabilitation training of ankle sprains, promotes quick recovery, improves muscle tone and strength in the ankle and foot, improves stability and prevents sports injuries. 3.EASY TO CARRY The ankle and foot trainer is small and lightweight, easy to carry and practical, you can do foot training anytime and anywhere, whether you are at home, office, gym, travel or outdoors. Perfect for improving coordination and foot . 4.IMPROVE FOOT MUSCLES: Improve your dance performance with our ballet balancing board. It helps to correct overload and underload problems and promotes neutral alignment for improved stability training. The perfect ankle trainer improves foot muscles and overall flexibility by improving stability and overall strength, flexibility and coordination.