Helps control hypertrophic scarring and edema. Provides even pressure. Seam is sewn on the outside for comfort. Determine size according to the circumference of the PIP joints. For sizes falling in the overlap range, use the smaller size to provide more pressure or the larger size for less pressure. Each 18in (45cm) long sleeve covers 6 to 9 fingers. Each 55in (140cm) long sleeve covers 18 to 25 fingers. Small: 1-3/8in to 2-1/8in (3.5 to 5.4cm). Medium: 1-7/8in to 2-5/8in (4.8 to 6.7cm). Large: 2-3/8in to 2-7/8in (6 to 7.3cm). X-Large: 2-3/4in to 3in (7 to 7.6cm). XX-Large: 3in and over (7.6cm and over).