Features: 

• Environmentally Friendly Material: ABS is environmentally friendly material, tasteless, durable and corrosion-resistant, easy to clean, and non-deformable.
• Reduce Injury: Helps to make your muscles more sensitive during exercise, helping you to stretch properly and reduce the chance of injury.  Also contributes to the recovery of X-shaped legs, and O-legs, and relieves plantar fasciitis, Achilles tendon injuries, calf strains, and other ankle pains.
• Easy to Assemble: Textured surface to prevent slipping. Portable and easy to assemble, ready to use. Suitable for home, office, travel, and indoor-outdoor sports.