These beer bottle stoppers provide an air-tight seal to prolong and preserve opened bottles of beer Food-grade plastic, non-toxic and tasteless, absolutely safe, used by regular wineries. These stoppers insert easily and remove with a single pull. Designed to fit beer bottles . Type:beer bottle stopper Color:white Size:2.8cm x 1.4cm Weight:150g Material:plastic QTY:10pcs Package includes:10pcs beer bottle stoppers