BEST QUALITY: La Esmeralda stretch band set: Made of Premium Natural rubber, consisting of one stretch band from one continuous loop of premium Grade rubber and another long resistance band. Its designed for beginner or professional dancers, gymnasts, and other sports or arts. INCREASE STRENGTH, FLEXIBILITY AND TECHNIQUE: As you increase your strength and flexibility, your technique will increase as well. La Esmeralda stretch band is useful for ice skating, gymnastics, and other sports or arts. These and others require a high degree of strength and flexibility that the stretch band can give you. VALUE SET AND DESIGN: La Esmeralda stretch band was designed thicker than most bands for more resistance. For example, most bands are made with a 1.5 mm or 0.06 thickness and with a width of 1.25 in-1.4 inches. But, La Esmeralda stretch band has a thickness of 3.00 mm or 0.12 inches and a width of 1.5 in and a circumference 90 inches. As you can see, compared to most bands ours is desig