10pcs Solid Rubber Stoppers Single Hole Laboratory Sealing Plugs for Glass

Rubber plugs for lab: it can be used with the glass tube it is a necessary opening rubber plug kit for experiments, test tube stoppers with holes; Flask stoppers with holes: the rubber stoppers work well with tubes, flasks, and other conventional flask mouth, bottle stopper sealing plug; Solid test tubes bungs stopper: perfect for chemical industry, medicine and other scientific researches use the practical rubber stoppers, easy to pull and remove, save time and labor, rubber stoppers for vials; Test tube stopper: multi-functional and versatile, can be used for professional and personal use high end rubber stopper, safe and reliable, can be used with confidence, Test Tube Rubber Stoppers; Stoppers for chemistry containers: smooth and durable, will not do damage to the bottles or test tubes in laboratory, wine sealer for wine bottles

What's in the box
10 x Solid Rubber Stoppers Single Hole Laboratory Sealing Plugs