The water basics emergency straw Filter is a pocket-size power house ready to provide emergency water protection when a normally reliable water Source is threatened. Made in USA features:- blue line basic protection- each straw filters up to 30 gallons (two straws/pack)- sized for easy transport in pockets, packs, or purses- package doubles as a water collection pouch- compact kit includes everything your need to collect and Filter life-saving water- Filter made in the USA- perfect for: 72 hr. Kits emergency preparedness grab and go bags. Travel camping hiking survival.