vacuum flask 1.material:ss double wall 2.Keep hot or cold at least24hours. 3.reach CIQ,FDA grade 4. copprize inside0.5um

vacuum flask1.material:ss double wall 201 or304

2.function:Keep liquids hot or cold at least24hours.3.reach food grade test4.copperize inside thickness 0.5um 

6.capacity:350ml,500ml.750ml,1000ml.

7.payment term:T/T30% deposit

8.sample time:3-5days

8.delivery time:about 15days after receive you deposit

double Stainless steel vacuum cup,thermoses