INJURY PREVENTION EQUIPMENT-Recommended by physical therapists;16″(Deep) X12.5″(Wide) X12″(High);Helps to make your muscles more sensitive during exercise,improve lower leg strength. – Help you develop core strength,stabilize muscles,improve balance and coordination. SAFE AND COMFORTABLE TRAINING-The slant board has a large enough area to make your legs as wide as your shoulders for training. – Not only is this conducive to training safety to avoid falls,but it also improves the comfort of the feet during training. – The black non-slip strip at the bottom can effectively prevent the balance board from moving on the floor. – You can rest assured to use it for balance training or standing office. RUGGED AND DURABLE-Made of high-quality Lauan hardwood plywood, stronger and last longer than others made of birch and pine plywood. – Which can carry up to 500 pounds. – The material is not easy to break or age, and it is durable for five to ten years. – The matte non-slip surface can provide a super strong grip during exercise, and will not wear out and become old after long-term use. IDEAL FOR ALL AGES AND FITNESS LEVELS-Calf stretch board featured with quick-adjust locking system between five adjustable positions:15°,20°,25°,30°,35°degree. – You can setting the incline on your own personal needs,and always know what level you need to train at. – Also serves as a perfect standing desk accessory. – Accommodating all fitness levels from beginners to advanced users. 100%HAND MADE-STNFAREBI Professional wooden slant board are your first choice for exercise and fitness. – Each set has been rigorously tested and inspected. Five Adjustable Positions: There are 5 adjustable ranks:15°, 20°, 25°, 30°, and 35°.