i2 Gear Sports Running and Exercise Armband Extender LENGTH: This useful strap extends your max armband size by approx 6 inches - Great for body builders and large biceps UNIVERSAL COMPATIBILITY: This extender is universally compatible and can be used with most of the popular armbands on the market MATERIAL: Made from soft lycra and nylon for a soft but durable fit CARE: This band is hand and machine washable USE: It makes a great accessory for yourself or as a gift