HeyWin Gummistopfen Konisch 29mm to 37mm, Verschlussstopfen Verwendet für das Versiegeln von Ballonflaschen,konische Flasche usw (4, 7#)

Size 000#: 31X37X29mm Solid rubber stoppers alsod used as a bung for conical flask、glass carboy etc,exhibit excellent resilience and retain pliability for a long time,tapered shape design, easy to plug and pull Please read the dimension description image carefully before making a decision (might have 1-2 mm measurement error) Please note these rubber stoppers are not food grade HeyWin Team always adhere to the principle of customer first, and serve with heart. If you encounter problems with the product, please contact us immediately, we will give you a satisfactory answer within 24 hours