Come and see our amazing products. 33oz 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.5-layer temperature lock technology, stronger heat preservation performance. Within 6 hours, keep the temperature above 65 degrees, within 12 hours, keep the temperature above 48 degrees, and within 24 hours, keep the temperature above 35 degrees. 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.