Bình thép giữ nhiệt · Nắp kim loại

My coffee was still steaming when I cracked it open at 2 PM after filling it at 7 AM, which is exactly the 12-hour promise kept. The metal cap threads on smoothly and doesn’t leak a drop in my backpack, though I wish it came with a straw option for the 34 oz size. Ice water from yesterday morning st

Used it for a brutal 10-hour work shift and the ice was still clinking when I got home. Double-wall really holds up, and the metal cap feels way sturdier than the plastic ones I've snapped before.

Took this on a hiking trip and the double-walled steel kept my water freezing cold for the entire 24 hours, even in direct sun. The metal cap feels solid and seals tight with zero leaks in my bag.