LifeStraw Sip.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. .Reusable Steel Filter Straw with carry case.Removes Microplastics, Bacteria and Parasites.Reusable and Long Lasting:the filter lasts up to 1,000 liters.- over a year of daily use.Premium Materials and Includes Carry Case.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.User-Friendly:no batteries or electrical outlets required.simply sip through the straw, and let the filter work its magic.LifeStraw is proud to be a B Corp and Climate Neutral Certified brand.Your Purchase Has Impact:for every LifeStraw product purchased, a child in need receives safe drinking water for a year.Dimensions & Care.Weight (straw only):1.8 oz.Weight (straw + carry case):3.1 oz.Straw length:10 in.Straw diameter:0.5 in.Carry case dimensions:10.125 in X 0.87 in.BPA-free, FDA-approved, premium stainless steel + silicone materials .Includes:Stainless steel filter straw with individual carry case.LifeStraw Membrane Microfilter Removes: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 .