Common capacities include 20 fl oz, 30 oz, and 40 oz — options typically range from about 20 fl oz up to 40 ounces.
Many listings are labeled for cold beverages, while several explicitly state suitability for both hot and cold beverages.
Cup bodies are made from stainless steel (some listings specify 18/8 or recycled 18/8 stainless steel). Lids are typically plastic variants such as copolyester or polypropylene.
Many listings include a lid and a straw; some specify the straw is reusable while others note a plastic straw is included.
Product notes and reviews most often describe lids as spill-resistant or leakproof, but reports are mixed: several listings and reviews note secure or leakproof lids, while a minority report occasional leaking from lids or straws.
