Most toddler mugs and cups are made from plastics (commonly polypropylene), with silicone used for lids, seals, and straws, and stainless steel available in some models.
Some toddler mugs use double-wall, vacuum-insulated construction. Listed cold-retention times in this set range from around 8+ hours up to about 18 hours for certain insulated tumblers.
Many toddler cups include lids and straws; some packages also include extra lids or multiple mugs. Reusable silicone straws are frequently listed as included accessories.
Capacities in this selection range from about 7 ounces up to 14 ounces, with many options clustered around 9–12 ounces.
Common lid and spout types include straw lids (with silicone or reusable straws), one-way or valve lids, hard spouts, flip-top or twist-off lids, and simple one-piece lids designed for ease of use.
Suggested starting ages vary across listings, roughly from about 6 months up through 3 years. Specific listings show starts at 6 months, 9 months, 12 months, and 3 years.