The surface of this strap is made of textile fabric and microfiber, this looks so cool! and the lining is made all of microfiber. Otherwise, the end tabs are made of fine bovine leather, they're very strong!. This strap has a padding made of 2mm thick low density latex.
About the measures, the Plain strap is narrower than the other ones with just 5cm wide, this looks great!. And has an adjustable lenght from 86cm to 150cm, chose the lenght with which you feel better.