This Reflex Ball Set is a good choice for increasing eye-hand coordination, reflexes and agility. 2 different levels for light PU foam ball and heavy rubber ball, and it&#39;s widely suitable for training, release pressure and burning calories.<br/>Feature:<br />Good choice to increase hand-eye coordination,pouching accuracy,reflexes and agility.<br />Adjustable silicone headband with breathable holes and ergonomic groove design,conducive to sweat flowing from both sides,and easilyconnect to reflex ball with elastic rope. (Head circumference: 55-65cm/21.7-25.6in)<br />2 different level for training step by step: 1pcs PU foam balls(25g) and 1pcs heavy rubber ball(85g).<br />Packed in a included storage pouch for convenient carry, perfect for office,home or during gym training.<br />Suitable for adults,teenagers and even advanced trainers,good for training,release pressure and burning calories.<br/>Specification:<br />Material: Rubber,silicone,PU foam<br />Silicone band size: 65*1.5cm/25.6*0.6in<br />Head circumference: 55-65cm/21.7-25.6in<br />PU foam balls diameter(25g): 6.3cm/2.4in<br />Rubber ball diameter(85g): 6.3cm/2.4in<br />Package size: 7*7*20cm/2.8*2.8*7.9in<br />Package weight: Approx. 235g/8.3oz<br/>Package List:<br />1* Head Band <br />1* PU Foam Ball <br />1* Rubber Ball <br />1* Storage Pouch