2021 Good Quality Vacuum Flask - 20oz stainless steel double wall insulated vacuum total straight skinny tumbler with metal screw lid – Dashuya

double wall vacuum insulated perfection

Made of food-grade 18/8 stainless steel,coffee mug adopts Double Wall Vacuum technology, keeping your cold beverages as cold as ice over 12 hours and your hot drinks warm for over 6 hours.
The double wall vacuum insulation and triple inner wall can effectively prevent heat dissipation transfer to outer wall which keeps your coffee, tea, water, drinks cold or hot for a longtime and protects your hands from scalded of piping coffee. So that you can drink with the most comfortable temperature whenever.

Body Design

Totally straight body for easier to do full wrap design on the surface.

great insulation

Adopting double wall vacuum insulation technology, the funny gift for friends insulated skinny tumbler can keep your drinks cold over 12 hours and hot for 6 hours. No matter where and when, our skinny tumbler always gives you the best drinks temperature.
The inner wall of the vacuum sealed area is coated with copper, which can reduce the transfer of  heat to the surface layer. Also, you will never see any the water stains. The surface wall will stay dry to the touch.

accessories included

This lid have two fuction, open one side to drink directly, open another side to drink through a soft sippy.
And the sippy lid is BPA free, easy to drink the water.

Extra Lid

Various kinds of screw lid that meet different usage and customer.
Welcome to contact us if you are interested with any of them!

Customization

Not only silver blank in stock, but also sub blank, and powder coating.
We are tumbler manufacturer, also provide customize service according to your requirement. Normal paint, powder coated, heat transfer, water transfer etc.