... : 500ml+220ml 2.color: siliver 3.matterial: double wall stainless steel 4.logo: customize Vacuum Flask Gift SetsFlask sets ... double wall stainless steel,2,Keep warm or cold more than 24hours,3,push and pour button, keakproof4,food safety standard, comply with ... the products under adult supervision or with proper instructions before use. 500ml vacuum flask gift sets with double wall stainless steel