1623-84 - Revolution Tumbler 18oz You say you want a revolution and we have a real solution with this leak free lid with sipper flow buttons. Press the top button for a smaller flow or press the bottom large button for a larger flow. Double-wall vacuum insulated construction using stainless steel. Lid is top rack dishwasher safe. BPA Free. Patent pending. 18oz. 1623-85 Revolution BPA Free Double-Wall Sport Bottle 22oz You say you want a revolution and we have a real solution with this leak free lid with sipper flow buttons. Press the top button for a smaller flow or press the bottom large button for a larger flow. Double-wall stain and odor resistant durable Eastman Tritan material. Lid is top rack dishwasher safe. BPA Free. Patent pending. 22oz.