Material:Nylon+Spandex 
<br />Size:(Stretchy) M: 28cm(11 inch) 
<br />L: 29cm(11.4 inch) 
<br />XL: 30.5cm(12 inch) 
<br />2XL: 32.5cm(12.8 inch) 
<br />Colour: According to your choice White / Black / Apricot (As the picture showed)