***This is a 10 pack of Water Filter Survival Straws*** Our filter straws will make a great gift for yourself or for the outdoor enthusiast or survivalist in your life. The B's Survival Straw is perfect for Hiking, Camping, Kayaking and Canoeing, Travel, Emergencies and Survival. You can drink directly from any fresh water source such as a lake, river or stream, or you can fill a water bottle and attach the straw to it. Each B's Survival Straw is brand new and factory sealed in the package. FEATURES AND DETAILS: Each straw filters up to 1500 liters or 396 gallons. The flow rate is 550ml per minute. 99.9999% Waterborne Bacteria Removed such as Salmonella, Cholera and Ecoli. 99.9% Waterborne Protozoa Removed such as Giardia and Cryptosporidium. The B's Survival Straw is lightweight (less than 3 ounces). It is a portable compact size that makes it easy to put in a backpack, bug out bag, first aid kit and survival kits. Be prepared for emergencies.