- Polypropylene, silicone rubber, elastomer, stainless steel
- Size: Main unit diameter 4.5 x height 4.5 inches (11.5 x 11.5 cm) (inner container depth 1.9 inches (4.8 cm)
- Materials: Body/Lid: Stainless steel (acrylic resin coating); Clasp: Stainless steel; Inner Container/Inner Lid: Polypropylene; Gasket: Silicone rubber; Bottom Plate: Elastomer
- Capacity: 17.9 fl oz (550 ml) (Body: 10.1 fl oz (320 ml), Inner Container: 8.1 fl oz (230 ml)
- Heat Retention Ability: Over 12°F (51°C) (6 hours)
- Cold Retention: 28.6°F (13°C) (6 hours)
