Reliable strength-enhancing equipment: This adjustable balance board helps to make your muscles more responsive during exercise; helps you stretch properly and reduce the chance of injury. Demonstrated benefits: Not only helpful for stretching before and after workouts, but also beneficial for body recovery from Achilles tendon injuries, shin splints, calf strains, and other foot and ankle injuries and pain. Anti-slip design: Features a textured surface and a plastic/rubber lip for heels to protect you from slipping off. Adjustable Balance Board: This adjustable balance board supports muscle and calf stretching, which may help prevent plantar fasciitis flare-ups. Helps you stretch properly and reduce the chance of injury. Easy to carry: A popular alternative to heavy wooden slant boards, this lightweight foot slant board is suitable and flexible for use at home, in the office, while traveling, and for indoor or outdoor exercise. Fully assembled and ready to use out of the box. Slant Board, Calf Stretcher, Ankle and Foot Incline Board for Stretching Tight Calves, Adjustable 4-Level (165 lb Capacity), Non-Slip, Achilles Leg Muscle Exercise, Achilles Stretching. Features: Made from ABS environmentally friendly material, odorless, durable, easy to clean, and non-deformable. 4-position adjustment helps improve muscle responsiveness during exercise, supporting proper stretching and reducing the risk of injury. Also supports recovery from leg alignment issues, plantar fasciitis, Achilles tendon injuries, calf strains, and other ankle discomforts. Textured surface to prevent slipping. Suitable for home, office, travel, and indoor or outdoor sports. Portable and easy to assemble, ready to use.