Here's some information about tumblers:
Purpose:
Tumblers are primarily used to hold and consume beverages, often designed for on-the-go use.
Temperature Retention:
Many tumblers feature double-walled or vacuum insulation to keep drinks hot or cold for extended periods.
Materials:
They are commonly made from materials like plastic, glass, or stainless steel.
Design:
Tumblers are typically cylindrical in shape and often come with a lid and straw, making them suitable for various beverages including water, coffee, tea, and smoothies.
Origin of the name:
The term "tumbler" originally referred to drinking vessels with rounded or pointed bottoms that couldn't stand upright, requiring them to be "tumbled" over when