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I was skeptical about the whole ice spear thing, but these actually slide perfectly into my bottle and keep my iced coffee cold for the whole commute. The S-shape is a fun touch, and it’s way easier to pull the ice out than with regular cubes.

The ice spears slide into my water bottle effortlessly and actually hug the curve of the neck, which keeps the drink icy without blocking sips. They’re a bit finicky to pop out of the tray, but I’ve gotten the hang of it after a few batches. Honestly, my water stays cold for hours now, way longer th

I was skeptical about the whole S-shape thing, but these spears fit my bottle’s opening so smoothly and actually keep my iced coffee cold for a full afternoon. The tray’s rubber bottom makes popping out each spear a one-second job, no twisting or cracking.