Double walled stainless steel.
Push button open/close. Leak proof.
Easy to clean, removable parts.
Plastic cup included.
#304 Food Grade Stainless Steel (inner).
#201 Stainless Steel (outer).
- Material test: CPSIA & Prop 65 for lead and cadmium. Phthalates (7P). AZO.
- Food test: FDA for cooler material.
56376: Thermal Flask with Cup