Common capacities include 12 oz, 16 oz, 18 oz, 20 fl oz (US), 29.2 oz, and 30 oz.
Bodies are commonly stainless steel (including 18/8 stainless steel). Accessories and some warmers may use plastics like ABS, and lid materials vary separately.
Common lids include sip lids, flip/flip-style lids, sliding-sip lids, and one-piece snap-seal lids. Many are described as spill-proof or leak-resistant and include designs for one-handed drinking when closed.
Lid materials include plastic and polypropylene, stainless steel, and mixed constructions such as glass with TPE (thermoplastic elastomer).
Handles provide a secure grip for carrying, while flip lids, snap-seal lids, and similar designs let you sip without fully removing the lid, enabling one-handed drinking.
Common constructions include double-wall insulation, vacuum insulation technology, and in some listings triple insulation or copper-infused vacuum layers for extended temperature retention.
Warranty coverage varies by product and includes options such as a 1 Year Limited Warranty, a five-year limited warranty, and Lifetime Limited Warranty or limited lifetime guarantees.
