Didiseaon 5pcs Conical Silicone Erlenmeyer Flask Stoppers 21-25mm Lab Glass Tube Plugs for 100ml Flasks Laboratory Sealing and Test Tube Use

Package Include 5 x Silicone Stoppers Features - Material: Silicone. - Size: 4.00X3.70X2.70cm/1.57X1.45X1.06inch. -Product Info:Triangular flask plug - Constructed by using high-grade silicone material, it safety and can use it with confidence. - The silicone stoppers are small in size and light in weight, convenient to store and use. - Widely applied in laboratories, research institutes, universities and other places stop plug. - Perfect for chemical industry, medicine and other scientific researches use erlenmeyer flask narrow. - It has a simple design, but very practical in use, giving you a rubber stoppers.Goods Descriptionlab flask stoppers Simple in structure, very easy to use.laboratory device Small and light, easy to take; strong sealing; high class silicone stopper, safe and reliable.bottle plug Suitable for professional and personal use.Test Tube Stopper If you are looking for some silicone conical flask stoppers, then you miss our silicone stoppers.chemistry lab equipment Fine workmanship premium silicone material, and good durability, can be used for a long time

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