450 ml insulation mug Drinkware Type:Vacuum Flasks & Thermoses500ml Bottle Type:Vacuum Material:Stainless Steel Thermal Insulation Performance:6-12 hours Applicable People:Women Metal Type:Stainless Steel Certification:CIQ Glass Liner Material:Stainless Steel Feature:Stocked,Eco-Friendly Production:Office Cup Thermos Material:Stainless Steel Shape:Straight Cup