Butelka Summit z ustnikiem ze słomką

The straw lid seals tight with a simple twist, so I can toss this in my work bag without a second thought. Ice I added in the morning is still clinking around by late afternoon, which is exactly what I wanted.

I’ve left this bottle in my car during a summer afternoon and the water was still icy hours later, which the double-walled insulation handles perfectly. The straw lid flips shut with a solid click, so I can toss it in my bag without worrying about leaks.

The straw lid closes tight enough that I've tossed it in my work bag without any leaks, which is the main reason I bought it. The vacuum insulation does keep water cold for hours like it says, though I wish the straw mechanism felt a bit sturdier when you flip it open. Still, for everyday use it's b