Here are some of the newest Stanley tumblers and bottles to add to your back-to-school shopping list:IceFlow Flip Straw Tumbler - 30 ozIceFlow Flip Straw Tumbler - 30 oz Various colorways available $40 at StanleyThis colorful 30-ounce tumbler is made for easy, everyday hydration. The built-in flip straw makes sipping simple, while the leakproof lid snaps shut when you’re done. Quencher ProTour Flip Straw Tumbler - 40 ozQuencher ProTour Flip Straw Tumbler - 40 oz Available in various colors $45 at StanleyThe iconic Quencher just got a major upgrade with a leakproof ProTour Flip Straw lid. Quencher Pro-Tour Flip Straw Tumbler - 30 ozQuencher Pro-Tour Flip Straw Tumbler - 30 oz Available in various colors $40 at StanleyWant the same upgraded Quencher design in a more compact size? It has the leakproof ProTour Flip Straw lid, built-in handle and double-wall vacuum insulation to keep water cold for hours.