Common capacities range from 11 ounces up to 20 ounces, with frequent sizes including 11 oz, 13 oz, 16 oz, 18 oz, and 20 oz.
The listings show a few common materials: stoneware (stoneware ceramic), ceramic, and stainless steel.
Travel tumblers typically use double-wall vacuum insulation and are advertised to keep drinks hot for up to about 6 hours and cold for up to about 12 hours.
Many tumblers include plastic vacuum-sealed or BPA-free lids with silicone seals and sliding openings; some also include a reusable stainless-steel straw and a rubber seal ring to reduce spills.
Several listings are marketed as gift-ready, noting die-cut or protective gift boxes and other protective packaging suitable for gift giving.
Dimensions vary by model: heights in the results range roughly from 3.5 inches up to 10 inches, and widths/examples span about 3.1 to 5 inches.
Both options appear: many listings are single-piece (Number of Pieces: 1) items, and at least one example was sold as a multi-mug set (Number of Pieces: 4).
