LifeStraw Peak Series Collapsible Squeeze Bottle with Filter: Backcountry versatility for trail running, through hiking and limited space adventures! Protects against bacteria, parasites, microplastics, silt, sand, and cloudiness Ultra-compact, our reconfigured filter is tiny but mighty with a super packable kit that doesn't sacrifice weight or space Extreme durability: 2x thicker, premium materials make it t