insulated travel tumbler

Capacities vary widely, but common volumes shown in listings include 11 oz, 14 oz, 18 oz, 30 oz, and 40 oz.

Tumblers are primarily made from stainless steel (including 18/8 and recycled 18/8 variants). Lids are usually plastic or copolyester with silicone components. Many product listings also note BPA-free parts.

Sizes cover compact to large-capacity options: heights in the results range from about 5.5 inches up to about 12.52 inches, and widths range roughly from 3.2 inches up to 6.3 inches.

Many listings describe cupholder-friendly designs that fit standard or most car cup holders. One listing specifically notes a base diameter of 3.15 inches for cup-holder compatibility.

Common lid types include slider seals, flip-top and twist-off lids, and multi-position or screw-on drinking lids. Many lids are straw-compatible and some offer multi-mode designs (for example, sip/drink/gulp) or adjustable sip-flow features.

Lids offer multiple drinking modes: some feature 3-in-1 sip/drink/gulp designs, multi-position lids with straw or direct-drink openings, and adjustable sip-speed slides on certain models.