The most intelligent form of exercise available - the Gymnic Opti Ball . The Opti Ball is the only brilliantly translucent ball available and it features the superior quality that only Gymnic can bring you! This ball is particularly advantageous for trainers and therapists so that they can easily observe their client's movements. The Gymnic Opti Ball is an excellent "way to move", to get in shape and have fun while exercising and maintaining overall health, fitness and wellness. It can be utilized with dance and body movement, aerobics, fitness programs such as pilates and even for dynamic sitting for correct posture. Made in Italy, the phthalate-free, latex-free and BPA-free vinyl is durable enough for use in exercise class and physical therapy settings. The Gymnic Opti Ball has a maximum sustainable weight of 270 pounds and is available in three sizes: 55cm/22 inches for 4' 8" to 5' 3" 65cm/26 inches for 5' 3" to 6' 0" 75cm/30 inches for 6' 0" to 6' 7" The Ledraplastic SpA, manufacturer of the Gymnic line, was founded in 1963 and was a pioneer in the processing of non-toxic vinyl. From the mid-eighties, Ledraplastic SpA has established itself as a manufacturing leader in various areas ranging from toys to fitness to physical therapy and wellness. Gymnic - The Way to Move is the brand where design is based on the concepts of movement and comfort of people of all age groups. In order to achieve the company's mission, the materials used are of the highest quality thus ensuring compliance with product regulations in the European Union and United States. The vision of the company in the field of safety has also resulted in the whole line of products being completely free of Phthalates and Latex. All Gymnic products are made in Italy with no toxic emissions into the atmosphere and all products are also easily recyclable!