Material: food-grade PP material + austenitic stainless steel + silicone (sealing) + foaming (heat preservation function)
Model: single / double / three layers
Size: 12x12x11.5cm / 12x12x17.5cm / 12x12x23.5cm
Capacity: 680mL / 1000mL / 1320mL
Insulation duration: 2-3 hours
Uses: daily use, gifts, awards, sales