If we are talking about a baby puppy then YES a pen!! I would not dream of leaving it alone to free roam because even if you think there is nothing they will shock you and find something like a power cord! Thank goodness mine was not plugged in when Guinness decided it would make a great treat.
__________________ Alisha mommy to Guinness Stout 7 & Stella Artois 5 & Teagan 4    Guinness & Stella proud Teapot Club Members |