Sitarayuri 30oz Sway tumbler with handle and lock

Material: They are typically made from durable, BPA-free 18/8 or 304 stainless steel, ensuring the drinkware is firm and rust-proof.

Insulation: The double-wall vacuum insulation technology keeps drinks hot or cold for several hours.

Design:

Capacity: Common sizes include 600ml, 900ml (30oz), and 1100ml (40oz).

Lid and Straw: Most models come with a leak-proof or multi-layer lid and a reusable straw.

Handle: They feature an easy-grip handle, designed for convenience when traveling, at the gym, or in the office.

Aesthetics: Designs often include floral patterns, various colors (like pink, black, blue, khaki), and sometimes a narrow base to fit into most car cup holders.