Listed capacities range from about 7.74 ounces up to 20 ounces. Common toddler cup sizes are roughly 7.7–8.5 oz, while taller kids' tumblers are typically in the 16–20 oz range.
Several glass tumblers include a bamboo lid plus a reusable straw (often glass). Product descriptions commonly list a sustainable bamboo lid and an included reusable straw in the item contents.
Listings commonly label items for ages such as '1 Year and Up,' '3 Years and Up,' and '6 Years and Up,' depending on the product.
Available pack sizes shown in listings include single tumblers as well as sets of two and sets of four.
Most listings specify use for cold beverages. A few glass tumblers (notably larger, around 16 oz) mention suitability for both hot and cold drinks.
