Iced Coffee Addict 20oz Custom Tumbler. This 20oz Custom Tumbler is the perfect addition to any iced coffee lover's collection. Handmade with durable stainless steel, this tumbler is built to last and keep your drink cold for hours. Ready to ship, it makes for a great gift for the caffeine enthusiast in your life. With its sleek design and customizable options, this tumbler is both functional and stylish.