Thera Band Hand Exercise Ball XL Black Extra Firm Jobst Relief 30 40 Thigh Hi 80 kg) Height: 69 in Color:Yellow 80 kg) Height: 69 in (175 PK 100 * 18 X 1 * Shipping Carton Size: 20 L x 9 W x 5 H TheraBand© Hand Exercisers are specially formulated exercisers provided in a progressive sequence of five translucent colors and in two sizes *They're used for hand finger and forearm strengthening as well as hot and cold therapy *Progressive resistance in different levels of compression allow each exercise to be geared to the patient *Use the standard size hand exerciser for smaller hands and the extra large size for larger hands or for people who have limited hand mobility *Place a Hand Exerciser into the microwave or refrigerator for hot or cold use *Lbs of Force at 50% Compression: 17 lbs *Black XL