From solo bike rides to family camping trips, the LifeStraw Peak Series 3-in-1 Water Filtration Kit is the go-to modular solution for safe water during your adventures. This highly versatile system allows you to use it as a straw, a squeeze bottle, or a gravity bag to drink safely from lakes, rivers, and streams, giving you three ways to filter water in one lightweight solution. This compact kit includes the ultralight Peak Series Solo Water Filter, the 650mL Squeeze Bag, and the 3L Gravity Bag with hose, as well as a cap and backwash syringe for easy maintenance. The system filters out bacteria, parasites, microplastics, silt, sand, and cloudiness. Your purchase has impact: for every LifeStraw product purchased, a child in need receives safe water for an entire year.