5pcs Conical Silicone Stopper for Erlenmeyer Flask and Test Tubes, Multi-Functional Glass Bottle Plugs, Easy to Insert and Pull, for Laboratory and Experiment Use

Package List 5 x Silicone Stoppers Characteristics - Material: Silicone. -Product Info:Triangular flask plug - Size: 4.30X4.00X3.00cm/1.69X1.57X1.18inch. - Smooth and durable, will not do damage to the bottles or test tubes in laboratory erlenmeyer flask rubber stopper. - Multi-functional and versatile, can be used for and personal use test tubes with cork stoppers. - Constructed by using high-grade material, it safety and can use it with confidence. - Suitable for test tubes, flasks and other laboratory equipment that need to be sealed vacuum flask with stopper. - These silicone stoppers are using a suitable shape design, easy to insert and pull earlinmyer flask cork.Goods Descriptiontube stopper cap Are you looking for a , yet silicone stopper? Are you in search of a sturdy, trustworthy tool that can be used to do multiple jobs at once? , ! Our high- silicone stopper must meet your needs.test tube Smooth and durable, will not do damage to the bottles or test tubes in laboratory.corks for conical flasks It is one of the for you

• Erlenmeyer flask cork:perfect for chemical industry, medicine and other scientific researches use,flask
• Tube stopper cap:not only suitable for professional research institutions, but also suitable for individual containers that need to be sealed,cork stoppers for test tube
• Vacuum flask with stopper:the silicone stoppers are small in size and light in weight, convenient to store and use,test tube with cork
• Erlenmeyer flask:widely applied in laboratories, research institutes, universities and other places,glass erlenmeyer stoppers
• Test tubes with lids:selected material, which can be safely and durably used for a long time,erlenmeyer flask stopper