Package Include
5 x Silicone Stoppers

Characteristics
- Material: Silicone test tubes with lids.
- Size: 4.40X3.80X3.00cm/1.73X1.49X1.18in test tube cork
- The practical silicone stoppers, easy to pull and remove, save time and labor earlinmyer flask cork.
- Not only suitable for professional research institutions, but also suitable for individual containers that need to be sealed corks for conical flasks.
- Manufactured with , with excellent durability and practicality vacuum flask with stopper.
- Small and compact, easy to store and use, not taking up any space of home or laboratory erlenmeyer flask rubber stopper.
- Perfect for chemical industry, medicine and other scientific researches use test tube.

Goods Information
conical flask It will meet your experiment sealing needs.test tube Are you looking for a practical plug for your experiment? want a reliable test tube plug? If your answer is yes, please come and take at this product.erlenmeyer flask cork stopper This test tube plug set is made of material, which has the