Double Wall Vacuum Flasks Drinking Flask Set Of 3 Thermos Flask Set

Item No.: WS-AJ811
-Double wall featured vacuum flask keeps your drink hot or cold for 12 hours
-100% food grade stainless steel protects your health all the time
-Different sizes are optional
What is the item in our daily life which is most similar as it in the space?
Yes, show me your vacuum flask in hand.

The double wall vacuum flasks are popular in markets of different areas.