Made with a rugged, specially formulated exterior powdercoat infused with silver ions for enhanced bottle cleanliness and a patent pending removable bottom cap to help prevent unwanted build-up and dirt, this vacuum insulated steel bottle does it all. The narrow mouth works great for hydrating on the go. The leak proof cap and sweat free exterior make this bottle a top choice for carry in a bag or tote. Need to fill your bottle with ice or protein powder? Just stand the bottle upside-down and remove the bottom cap for quick, spill-free filling. ? Silver ion infused powder coat to keep the exterior of this steel flask clean all day ? Patent pending removable bottom cap provides easy access to the bottom of the bottle for easy cleaning. No bottle brush needed! ? Double wall vacuum insulation keeps drink cold/hot for hours ? 18/8 stainless steel construction for extra durability ? Protein powder and ice-cube friendly ? Includes a stainless steel fruit/tea infuser that attaches to the ? Sweat-free exterior eliminates unwanted condensation on the outside of the bottle ? 100% stainless steel interior prevents stored water from contacting any plastic surfaces ? 17 oz / 502 ml capacity ? 100% BPA Free