Take your skills to the next level with help from the Everlast Double End Powerlock Reflex Ball. Crafted from durable materials, this reflex ball trains your accuracy, speed and precision. The 2 different sized foam balls offer varying difficulty levels for challenging use, while the elastic head band with a hook-and-loop Powerlock turn back system encourages a comfortable, custom fit. DESIGN: Trains accuracy, speed and precision Made from PU, nylon and polyester for lasting use 2 different sized foam balls offer varying difficulty levels Elastic head band encourages a comfortable fit Hook-and-loop Powerlock turn back system offers adjustable wear