Looks to me like it on the stand in panel 1 and we’re looking “through” the wall. It is facing the wrong way and somehow straight in the last panel, though.
Please note, some kinds of toothpaste are sweetened with Xylitol and can poison dogs. https://gizmodo.com/a-common-artificial-sweetener-is-poisoning-dogs-1776479133
When will we meet Doubleup’s twin?