Portable stainless steel insulation cup

Stainless steel material, long-lasting insulation, electrolytic liner, high vacuum insulation

Unique waterproof open lid design, prevent water leakage caused by unintentionally opening the lid of the cup

Rounded cup mouth, cup mouth fine polished, smooth and burr-free, drinking water more at ease

One key press, a gentle press, smooth water does not spill.

Stainless steel lid, threaded lid, can be used as a water glass;

Stainless steel cup bottom, cup bottom flat, placed firmly.

Convenient car, warm peer, large capacity, to meet a day of drinking water.

Inverted rotation does not leak, placed diagonally, upside down, backwards, sealed without leakage, peace of mind more intimate!