What's New, What's Hot is Travel Weekly's look at useful and fun travel gadgets, edited by Joe Rosen. First up, the Nomader Collapsible Water Bottle. This product has several unique features, among them a BPA-free silicone body, a collapsible exterior that allows it to be folded flat, a hinged cap that doubles as an airtight spout cover that keeps and dirt and grime out, as well as a wide mouth for easy drinking and cleaning.