H2O SURVIVAL-Water Filter Travel Straw MAX. Foreign/Domestic Water Filter Straw. 99.9999% Effective Filtration, 530 Gallon High Capacity Water Purifier. Includes Neoprene Hydration Bag & Adaptor WATER FILTER STRAW: Filters 530 gallons for bacteria,viruses and heavy metals down to 0.01 microns. WATER FILTER STRAW ADAPTOR: You can use the straw with or without the adaptor. Adaptor allows straw to screw onto the hydration bag, Coke , water & selzer bottles and more. INCLUDED HYDRATION BAG WITH NEOPRENE SLEEVE WITH POCKET: Allows you to carry your straw, keys,compass, knife,sunglasses and many small items you want to keep close at hand. Smartly design water bag has sewn-in flat bottom that will expand when filled, allowing the bag to stand on its own. STRAW HAS CONVENIENT LANYARD & BAG SLEEVE HAS ALUMINUM CARIBINER: Attach anywhere. Fits descretly inside your backpack. Bag and straw can be carried in your pocket. Clipped to your belt or BOB. Landyard makes it easy to simply carry straw and or bottle around your neck. 3 DOWNLOADABLE SURVIVAL eBOOKS INCLUDED. 1 YEAR WARRANTY ON BOTH STRAW AND BAG AGAINST MANUFACTURERS DEFECTS. Straw contains Poly-Iodine that assists the11 filters in purifying the water. This product should not be used by pregnant woman or those allergic to Iodine.