3mm wide chain wire special cradle to keep dog’s head upright on the show plastic spikes to keep dog concentrated on his task for dogs up to 132 lbs (60 kg) collar’s weight depending on the size: 4.5 - 5.7 oz (130 - 190 g)
Stainless steel (inox): the strongest among all metal alloys used for Herm Sprenger dog collars the links will keep their shape and strength for many years of use fully rustproof even if the surface is scratched suits for wet conditions has a shiny, polished surface contains nickel, so will not do for dogs with nickel-sensitive skin generally, doesn’t cause dog's fur discoloration
wipe it out with a piece of cloth if it requires a better cleaning rinse it with water and clean with a soft brush you may use a mild soap after cleaning get it dried with a piece of soft cloth