This Zak! Designs cup is perfect for any occasion and features spill-proof, antimicrobial, double-walled, and leak-proof properties, making it a great choice for kids. The 12 oz. / 354 ml. capacity cup is made of stainless steel and comes with a twist lid and a straw. It is BPA-free and insulated, keeping beverages cold or hot for an unknown duration. The teal cup features the beloved Disney Super Kitties characters and is machine washable for easy cleaning.