This BOBBER-GIRL Tumbler is a great addition to enjoy your favorite beverage and be able to take your cold or warm beverages while on the go! The 20 oz stainless steel insulated tumblers feature double-wall vacuum insulation to keep your cold beverages for at least 12 hours and hot beverages for at least 6 hours! The BOBBER-GIRL Tumbler is the best choice for gift giving! You can give this unique gift to your family or friends!