Not alive, can’t move, not a technical device, no mechanical/electronic parts, not bigger or longer than a loaf of bread, not a place, one of its purposes is recreational, used by people and also for animals, manmade/manufactured, doesn’t grow, not used for hygienic purposes, not green, bigger than a cell phone, not a common household object, can be used by both males and females, doesn’t make noise, and won’t respond if you talk to it.
A horseshoe?