The ProStretch Plus Stretching Aid is designed to hold the foot in the optimal position for a more effective, accurate and efficient stretch of the lower leg muscles. The patented rocker design has been the favorite of professional athletes, athletic trainers and physical therapists for over 20 years. The ProStretch Plus has a unique adjustable heel rest that enables the user to increase or decrease the degree of stretch as flexibility increases. The exclusive removable toe lift allows the user to effectively stretch the toes and Plantar fascia. The larger, continuous platform provides increased comfort and stability, and fits up to size 14 shoe. The ProStretch Plus is stronger and lighter than the original version, making it ideal for travel. The ProStretch Plus delivers technological advancements that allow users to stretch calves, hamstrings, Plantar fascia and toes easier and more effectively. ProStretch Plus Stretching Aid Instructions ProStretch Plus Stretching Aid Specifications: Measures: 14.2 inches long, 4.5 inches wide, 6.8 inches high. Fits: Up to size 14 men’s shoe. Color: Blue. Weight limit: 300 lbs. Made in: USA.