This Regenerating PBS Wristband is a Beige Nylon strap with a Velcro Fit. The band comes in 2 lengths. For wearing on a wrist/ankle up to 8.25 inches, choose the regular size. For those with a wrist/ankle 8.25 – 10.5 inches, choose the XL length. Some people have extreme ailments and bodily complications, which require a stronger stimulus. Those persons can purchase additional “program pieces” to enhance the strength/results of PBS Wristband. All other items to be selected are optional visual accessories. You can choose plain color or designed plates, as well as, strap color.