Water Filter Straw by Clean Sip - The Original - Drink Fresh, Clean Water Wherever You Go - Water Filtration That Fits In Your Pocket - Reduce Water Contaminants In Up To 200 Gallons - A Must Have Portable Water Filter When Travelling! The Worlds Smallest Water Filter in a Straw! Eliminates Dangers in Your Drinking Water! Reduces Contaminants Up to 6 Months - Approximately Five 8 Ounce Glasses of Water a Day For 6 Months! Portable, Reusable, and Long Lasting! Comes With A Unique FREE Carrying Case to Hold It Between Uses