Reliable strength-enhancing equipment: This adjustable balance board helps to make your muscles more responsive during exercising; Helps you stretch properly and reduce the chance of injury. Demonstrated health benefits: Not only helpful to stretching before/after work out, but also beneficial to the body recovery from Achilles tendon injuries, shin splints, calf strains and other foot and ankle injuries and pain Anti-slippery design: Features a textured surface and a plastic/rubber lip for heels to protect you from slipping off. Very easy to carry on: A very popular alternative to the heavy wooden slant board, this light-weighted foot slant board is suitable and flexible for use in home, office, travel and indoor-outdoor exercise. It is fully assembled, ready to use out of the box.