Apply conforming pressure to the hand, wrist or arm. Pressure Packs contain natural buckwheat hulls for soft, conforming pressure over a variety of skin contours. Available in five shapes. Dorsal Hand Pressure packs are used in the Buckwheat Pocket Gloves. Call for information. Pressure Packs are not suitable for washing. Dorsal Hand sizes: Small: 6.0cm width x 11.5cm length (2-3/8 x 4-1/2in). Medium: 6.5cm width x 12.5cm length (2-1/2 x 5in). Large: 8.0cm width x 14cm length (3-1/6 x 5-1/2in). X-Large: 9.0cm width x 15.5cm length (3-1/2 x 6-1/8in).