bilayer 304 stainless steel insulation thermos cup coffee keep mug thermo mug water for bottle beer thermo mugs auto car t200506

bilayer 304 stainless steel insulation thermos cup coffee keep mug thermo mug water for bottle beer thermo mugs auto car this product is brand new product features the leak proof design for this cup is recommended in a bag. another cup with warm function (about 6-12 hours), suitable for office, family and travel. thermal effect: 100 degrees c, after 12 hours, can be maintained at 38 degrees c in the summer, and more than 38 degrees c after 6 hours in winter. double wall...