Egg Shaped Stainless Steel Tumbler - 12oz

12oz Egg Shaped  Stainless Steel Tumbler The sanitary ware uses double-wall vacuum insulation technology, no heat transfer medium, and your beverage temperature is not affected by the outdoor temperature. Double-layer vacuum-sealed drinking utensils will keep your drinks cold for 24 hours and your drinks for 12 hours Made of 304 grade 18/8 stainless steel, it has excellent rust resistance, absorbs odor, retains taste and is easy to clean by hand. Prevent condensation from forming on the outside. Hot liquids don't affect the outside, it never stains water on your hands or table.