The New Skinny Tumbler is 24 fluid ounces. The skinny tumbler is powder coated, vacuum insulated and made of 18/8 kitchen grade stainless steel. Features laser etched team graphics, includes twist on lid and team color straw. The skinny tumbler is not recommended for dish washer but should be hand washed. The Skinny tumbler is a great way to show your team spirit for all ages.