is ok once its been used a few times metil saste goes would however recomen if i bring it bk u do so with a better styel jar i know not every one can taste plasick but my msine gripe is the lid does not crew on fast or tight that dfeates the idea of germ free warter as the lid is so loos it as good as pulls off gesing it a fauly one wat sliped through but who knows ill give it 3 1/2 due to the bottel and the fact the replacment promised never arrived just ad to spend 15.00 on new bottel