An incredibly tough collar strap made out of a Rubber/Nolathane mix over nylon weave.
Standard duropro collar strap to fit receiver collars which does not require pre drilled holes for contact probes. It fits most standard collars. There are two size of the collar straps. Both of them has the same length but different width to fit different collars. The small one has 18mm width and large one has 25mm width.
