Reliable equipment to increase strength: This adjustable balance board helps make your muscles more receptive during exercise; Helps you stretch properly and reduce the risk of injury. Proven benefits: Not only helpful for stretching before/after exercise, but also beneficial for the body's recovery from Achilles tendon injuries, shin splints, calf muscle strains, and other foot and ankle injuries and pain. Non-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 helps make your muscles and calf stretching which keeps plantar fasciitis flare-ups away. Helps you stretch properly and reduce the risk of injury. Very easy to carry: A very popular alternative to the heavy wooden slant board, this lightweight foot board is suitable and flexible for use at home, in the office, when traveling, and for indoor and outdoor training. It is fully assembled, ready to use right out of the box. Slant board, calf stretcher, ankle and foot board for stretching tight calves, adjustable 4 levels (75 kg capacity), non-slip, Achilles leg muscle exercise, Achilles stretch Features: ABS environmentally friendly material, tasteless, durable, easy to clean and non-deformable. 4-position adjustment helps make your muscles more sensitive during exercise, helping you stretch properly and reduce the risk of injury. Also contributes to the recovery of X-shaped legs, O-legs, plantar fasciitis, Achilles tendon injuries, calf muscle strains, and other ankle pain. Textured surface to prevent slipping. Suitable for home, office, travel, and indoor and outdoor sports. Portable and easy to assemble, ready to use.