With an iconic shape, the slim design of the Stanley The All Day Slim 20 oz insulated bottle makes it easy to pack. This water bottle uniquely opens at the shoulder so you can fill it up easily with ice. Just give the collar a few twists to shut for a leakproof seal and uncap whenever you need a drink. Stainless steel construction provides ice-cold sips for hours. Whether you are playing tourists in a new city or need a new water bottle for your tote bag, keep hydration simple.