Portable Outdoor Office Double-layer Vacuum Insulation Stainless Steel Cup

Product information:
Color: large white, large black, small size white, small size pink, small size Black
Material of liner: 304 stainless steel
Insulation Performance: 6-12 hours
Material: inner 304 outer 201
Shell material: 201 stainless steel
Style: big belly Cup
Function: heat preservation
Style: Sports
Capacity: 900-1200ml