RECOMMENDED BY PHYSICAL THERAPISTS: Slant Board for Calf Stretch helps exercise stretches while also helping the body recover from plantar fasciitis, Achilles tendon injuries, shin splints, calf strains, foot and ankle injuries and pain.Our Incline board stimulate your movement core and improve your agility, reflexes, strength and stamina DETAILS MAKE THE DIFFERENCE: Slant Board for Calf Stretching uses EPP environmentally friendly materials that are non-toxic, odorless, waterproof, and oil-proof, 100% recyclable, and almost no performance degradation.foam wedge can withstand 440 lbs.compared with the slant board on the market, our products have the advantages of light weight and easy storage. they can be moved to every place in the house at will and can be reused many times. PRODUCT CONTAINS & EFFECTIVE SLANT BOARD: Our Slant Board Calf Stretcher contain three inclined board. The size of two inclined boards with 8.5° is (12"*6.5"*2"), and the size of on