Great for body toning, muscle strengthening, pilates and cardio Exercise chart included Continuous loop: 13 inches lay flat length by 2 inches width Heavy resistance - blueberry color Powder less and reduced allergy bands. Sanctband Loop Bands are used for upper and lower limb lateral movement strengthening exercise. It is ideal to increase balance, strength and flexibility. Widely used in sports training, physiotherapy, rehabilitation and in Yoga and Pilates. With the powder less and reduced protein features, Sanctband Loop Band is formulated to help reduce the sensitivity to latex protein allergy experienced by some people. It is a continuous loop band that has a width of 2 inches and total lay-flat-length of 13 inches. Sanctband loop band are formulated to allow linear increases in resistance as the bands are stretched.