5pcs Silicone Conical Flask Stoppers 21-25mm for 100ml Erlenmeyer Glass Bottles Laboratory Test Tube Plugs Flask Sealing Caps for Scientific and Industrial Use

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

• Lab rubber stoppers--the silicone stoppers are small in size and light in weight, convenient to store and use,waterproof silicone stopper
• Bung stopper--suitable for erlenmeyer flask, test tubes, flasks and other laboratory equipment that need to be sealed,glass bottle stopper
• Silicone rubber has a simple design, but very practical in use, giving you a ,Conical Glass Stoppers
• Container stopper--widely applied in laboratories, research institutes, universities and other places,lab stoppers
• Glass tube stoppers--rigorous process, selected good silicone material manufacturing, seemingly simple, but everywhere is delicate,erlenmeyer flask narrow