Review on HUIHUIBI Collapsible BPA-Free Water Bottle – Portable Leakproof Silicone Water Bottle Ideal for Travel, Camping, and Hiking by Matthew Riley

I bought two different types of collapsible bottles - this one and one that rolls up at the bottom. I sent another one back, it just wasn't as comfortable as this one. Here's why: This one is very compact and easier to drink, although a bit cumbersome. It's made of soft material, so you can't grip it tightly, you need to use both hands. But I would definitely buy it again and recommend it. It folds flatest of any bottle I've seen in a Revain store. And it's super comfortable!