The RapidPure Purification Straw gives you the power to filter and purify water in an ultralight water purifier straw that removes over 99.99 percent of viruses, bacteria, parasites, and more. This pocket-sized straw weighs less than 3 oz including the carry bag. Treats water for viruses, bacteria, parasites and more with UltraCeram technology Use Anywhere; convenient for freezing temperatures New POD platform extends cartridge lifespan to 75 gallons so you're always prepared Pocket-sized and weighing less than 3oz with a mouthpiece