The specialized purist moflo bottle delivers 50 more water than leading bottles it39s easy to open effortless to use and leak proof when closed made with purist technology for clean pure refreshment specialized purist moflo bottle features the puristtrade inner surface uses a flexible glass like infusion to keep your water pure and your bottle clean large screw top design is leak free and wide enough for ice cubes and scooping in powdered drink mix new moflo cap de