Neilmed neti pot no spill design is equipped with a removable lid to prevent any spills from occurring from the top of the pot this patented lid contains a tiny opening that allows the user to control the flow of solution into the nasal passages neilmed neti pot comes with 60 sachets of precisely measured mixture of usp grade preservative free sodium chloride and sodium bicaronate mixture adding one sachet of this patented mixture to 240ml of lukewarm water makes a non burning non sting