5pcs Test Tube Cork Stoppers Conical Flask Silicone Plugs for Beakers Tubes Bottle Sealers Lightweight for Lab Use

Package Include 5 x Silicone Stoppers Characteristics - Material: Silicone lab tube stopper. - Size: 4.30X4.00X3.00cm/1.69X1.57X1.18inch test tubes with lids. - The silicone stoppers are small in size and light in weight, convenient to store and use test tube with cork. - Selected material, which can be safely and durably used for a long time cork stoppers for test tube. - Widely applied in laboratories, research institutes, universities and other places test tube cork. - The silicone stoppers work well with tubes, flasks, and other conventional flask mouth erlenmeyer flask stopper. - Fine workmanship silicone material, and durability, can be used for a long time erlenmeyer flask.Goods Informationerlenmeyer flask cork Fine workmanship silicone material, and durability, can be used for a long time.stop plug Small and light, easy to take; strong sealing; high class silicone stopper, safe and reliable.vacuum flask with stopper Suitable for professional and personal use.test tube cork Simple in structure, very easy to use.test tubes If you are looking for some silicone stoppers, then you miss our silicone stoppers

• Test tubes--manufactured with , with excellent durability and practicality,test tube holder
• Test tube with cork--smooth and , will not do damage to the bottles or test tubes in laboratory,erlenmeyer flask cork stopper
• Corks for conical flasks--selected material, which can be safely and durably used for a long time,flask
• Glass erlenmeyer stoppers--small and compact, easy to store and use, not taking up any space of home or laboratory,test tube stopper
• Test tube--fine workmanship silicone material, and durability, can be used for a long time,stop plug