Lifestraw Peak Series Solo Carry Case mountain blue Designed to store and protect your LifeStraw Peak Solo water filter Compatible with: LifeStraw Peak Solo personal water filter straw and LifeStraw Peak Series Membrane Microfilter Small and lightweight The shock-absorbing hard shell protects against bumps, and shocks LifeStraw is proud to a B Corp and Climate Neutral Certified brand, committed to meeting the highest standards of verified social and environmental performance, transparency and accountability