Brighten your hydration routine with the Rainbow Bottle Tumbler—a vibrant, functional drinkware piece perfect for science enthusiasts, teachers, and anyone who loves watercolor aesthetics. This 17 oz stainless steel insulated tumbler keeps beverages at the ideal temperature for hours, whether you're heading to the gym, classroom, outdoor adventures, or celebrating a graduation. Durable, stylish, and practical—the ideal companion for daily hydration and meaningful gifting. SIZE: 2.9 in x 8.9 in BOTTLE OPENING : 1.25 in. 17 oz QUANTITY : 1 Tumbler. - Stainless steel insulated tumbler, - Keep drinks cool or warm for hours.