Come and see our amazing products. This portable insulated coffee mug is made of stainless steel and retains the aroma of coffee for more than 6 hours. 304 stainless steel, stable properties; no peculiar smell when brewing, corrosion resistance. Coffee cups that won't spill, coffee cups that won't spill, coffee cups that won't spill. It is effortless to open the lid to drink water without touching the nose. You can customize your logo, large quantity favorably. Pls confirm further with us if any query about packing info, inventory status and time schedule.