The LifeStraw Sip is the world s first reusable stainless steel water filter straw capable of removing microplastics, bacteria and parasites from drinking water. Each LifeStraw Sip includes a premium, leak-proof carry case for portability so you can take it with you to sip confidently from hotel and restaurant tap water, or during international travel. Your purchase has impact: for every LifeStraw product purchased, a child in need receives safe water for an entire school year. Product Features Removes Microplastics : the microfilter removes 99.999% of microplastics, as well as particles, dirt, and cloudiness Filters Bacteria and Parasites : protects against 99.999999% of bacteria (including E. coli + Salmonella) and 99.999% of parasites (including Giardia and Cryptosporidium) Reusable and Long Lasting : the filter lasts up to 1,000 liters over a year of daily use. It's your sustainable solution to single-use plastic bottles, even during international travel! Premium Materials and Includes Carry Case : the Sip is made from high-quality stainless steel with a silicone mouthpiece, and also includes a premium leak-proof carry case for portability and protection. Compact and Portable : slim and lightweight (less than 3 ounces), the filter straw and included carry case easily fits into your bag, making it a must-have travel companion. Enjoy safe water on-the-go without the hassle of carrying bulky filtration devices. User-Friendly : no batteries or electrical outlets required; simply sip through the straw, and let the filter work its magic. It's the hassle-free way to access safe drinking water on-the-go. LifeStraw is proud to be a B Corp and Climate Neutral Certified brand, committed to meeting the highest standards of verified social and environmental performance, transparency, and accountability. Your Purchase Has Impact : for every LifeStraw product purchased, a child in need receives safe drinking water for a year. Product Specifications Membrane microfilter protects against 99.999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, silt, sand, and cloudiness Meets US EPA & NSF P231 drinking water standards for the removal of bacteria and parasites Membrane microfilter lasts up to 1,000 L | pore size: 0.2 micron Weight (straw only): 1.8 oz Weight (straw + carry case): 3.1 oz Straw length: 10 in Carry case dimensions: 10.125 in X 0.87 in BPA-free, FDA-approved, premium stainless steel + silicone materials Includes: individual carry case