SOLID BURABLE CONSTRUCTION - Made of high quality ABS environmentally friendly material, tasteless, durable and corrosion resistant, easy to clean and not deformed. A very popular alternative to the heavy wooden slant boards, this light-weighted foot slant board is ergonomically designed, and the triangular structure is reasonable, safe, and stable without shaking. REDUCE FOOT HEEL PAIN - Reducing foot pain from plantar fasciitis, achilles tendonitis, ankle strain, arch pain, and other chronic conditions, the calf Stretcher encourages correct foot posture for effective stretching. It also contributes to the recovery of flat foot, pes arcuatus, eversion, varus X-shaped legs, O-legs. ADJUSTABLE SLANT BOARD - This incline board is adjustable to 4 Positions: 20, 30, 40 and 45, you have the options of differing degrees of mild to strong calf stretches. And it can bear weight up to 330 lb. 4-position adjustment helps to make your muscles more sensitive during exercise, helping you to stretch properly and reduce the chance of injury. EASY TO USE - The soles of the feet are in tight contact with the inclined surface of the lacing plate. The waist should stand straight as far as possible. It can start from the inclination of the low angle and gradually stand on the slope of the lacing plate. These light-weighted foot slant board is suitable and flexible for use in home, office, travel and indoor-outdoor exercise, it is fully assembled, collapsible, very easy to carry. ANTI-SLIP DESIGN - Nonslip rubber along the bottom of the foot rocker ensures the stretcher does not slide when used on any surface. A raised heel plate locks the heel in place while