Taylor Hill's London Packing Guide, From Travel PJs to Weekender Bags

Simple Modern Insulated Tumbler With Lid and Straw ($22)

Everyone has a favorite emotional support water bottle, and if you don't, there are so many models to choose from. Hill's pick? The Simple Modern 20-ounce stainless steel tumbler in almond birch. "Hydration is key when traveling. My Simply Modern Cup ensures I always have water on hand, whether I'm sightseeing or relaxing in a cafe," she says.