This collar for dogs is extra robust due to strain relief. It is durable and tear proof. It is fully adjustable to your dog s neck. This collar is in basic dog training. It will be the right collar for your dog. It will be the right collar for your dog. Trixie is a German brand specializing in accessories for pets in general, whether articles of clothing, nutritional supplements, toys, hygiene care, feeders, cages and kennels, anti-parasitic, belts for all types of animals are dogs, cats, birds , rodents or reptiles, with a wide variety of accessories of all kinds with a clear mission, make more comfortable people peacefully coexist with animals in the home.