Contigo Byron travel mugs are offered in 16-ounce and 20-ounce capacities.
The Contigo Byron mug bodies are stainless steel (one listing specifies 18/10 stainless steel) and the lids are made of plastic.
Retention varies by listing: hot drinks are listed at about 6–7 hours, and cold drinks at about 12–19 hours.
Care guidance varies by listing. Many recommend handwashing the mug body (or cleaning with a brush), while some listings note the lid is top‑rack dishwasher‑safe; several recommend handwashing the body.
Contigo Byron mugs include a subtly textured grip for a secure hold and are designed for one‑handed use, with a lid that snaps open and closed for easy drinking.
Listings state that Contigo Byron mugs fit car cup holders and tuck under most single‑serve brewers.
Some listings include a Lifetime Limited Warranty noted in the product details.
Some listings specify the lid is top‑rack dishwasher‑safe while recommending that the mug body be handwashed.