Come and see our amazing products. 16oz vacuum stainless steel vacuum flask, long-lasting heat preservation for 6-12 hours. The cup is made of 201 stainless steel on the outside and 304 stainless steel on the inside.The outer layer is electroplated, and multiple colors are available.Smooth cup mouth and silicone non-slip cup bottom. used for drinking milk, coffee, beer, flower tea, green tea, black tea, juice, beverages, etc.Can meet your various needs. Pls confirm further with us if any query about packing info, inventory status and time schedule.