Made in Israel 
92% cotton 
Attached with elastic in the back, adjustable with buttons, not velcro!
One size fits all. They're attached with an Elastic band with buttons in the back. It goes up to 5 levels
 There is padding on the sides and the back. The back volume is adjustable but the sides are not.
https://youtu.be/y4NhTvDAiiI
https://youtu.be/Ytpt1sx7KPw