Portland Design Works Very Good Dog Water Bottle Cage: WhitePortland Design Works Very Good Dog Water Bottle Cage: White. The shape of the white VGD Cage was inspired by the legendary brandy toting St. Bernard rescue dogs of the Swiss Alps. The black VGD was designed to represent another type of rescue dog: the everyday Black Lab mix whos waiting to steal your heart and be adopted at the local shelter. PDW donates 10% of profits from the Very Good Dog (VGD) Cage to animal advocacy organizations that help very