Stay hydrated even when on the go using this 443ml (15 Oz.) Stainless Steel Insulated Color Bloc Tumbler! Its design feature includes a stainless steel exterior and BPA-free Polypropylene plastic interior. Its lid comes in black and is spill-resistant with a color band on the inside and a matching color thumb slide panel. It is perfect when running an errand because of its featured automobile cup holders. Product is not microwave and dishwasher safe. Only hand-washing is recommended. Caution: Item might leak when held upside down.