Peak Squeeze Collapsible Bottle (with Peak Series Filter)It's time to stop carrying around a bag of plastic parts and multiple water bottles. LifeStraws Peak compact squeeze filtration is an all in one water storage and filtration device. Made from premium materials, its durable enough to last you on your long haul adventures without having to worry about rips, tears, and punctures. Ultralight and collapsible at less than 4 ounces, you can grab and go, using as a straw filter, storage solution, squeeze