Summit 吸管蓋水瓶

This thing keeps my water ice cold for hours, even in a hot car. The double-walled design is the real deal.

The straw lid seals so tightly I can toss this in my bag without worrying about leaks. The double-wall insulation keeps my water cold for hours on a hot run. It's a solid, simple bottle that does exactly what it promises.

The insulation really keeps my water ice-cold for hours, which is perfect for long hikes. Only minor gripe is that the straw lid can be a bit tricky to get completely clean after a few uses.