15 Laboratory Rubber Stopper Set Single Hole Conical Flask Sealing

Rubber stops: small and compact, easy to store and use, not taking up any space of home or laboratory, rubber corks plugs; Stopper reusable bottle sealer: fine workmanship premium rubber material, and good durability, can be used for a long time, bottle stoppers; Stop plug: suitable for test tubes, flasks and other laboratory equipment that need to be sealed, sealing plug bottle cap; Rubber stopper plugs: not only suitable for professional research institutions, but also suitable for individual containers that need to be sealed, rubber bottle stoppers; Sealing rubber plug: the rubber stoppers are small in size and light in weight, convenient to store and use, bottle bung

What's in the box
15 x Science Supplies