The material of our silicone novelty wine bottle stopper is 100%BPA free food grade. The silicone bottle covers of ours is totally non-toxic, and approved by FDA/ SGS/LFGB/CE. It is a kind of soft, nontoxic, suitable for red wine bottles, beer bottles , soy bottle  and vinegar bottle etc.  To prevent  the remains stale, please use our silicone bottle cap  cover the mouth to make it  easy to store,  handy and efficient. This is your best choice.

 Silicone bottle covers for wine. Its patented inner shape,  together with silicone  natural adherence, produce a vacuum area within  the bottle neck. Easy  to open by pulling  it out and close by pushing. The closure is totally hermetic and the bottle  is completely sealed  regardless of its position.