Bought the dummy for a Labrador mix (ie medium sized dog). Dummy is robust, equipped with wide velcro strap and the dog so far failed him aufzubekommen alone (well so ;-) - but not even left him alone with the part, but it should thus be clearly learned retrieving). Dummy has also unwillingness Dog rauszurücken him again survived: -D. I myself take dry treats, but could purely be also wet food easily. Through the dry food I rinse currently just under running water if ggfalls also a washing machine will survive, so I can not judge.
