Solid rubber sealing plug: features good sealing effect and durability, which will not do damage to the bottle or test tube, Tapered Flask Sealing Plug; Bottle hole stopper: great for most kinds of scientific laboratory utensils, such as test tube, flask, or other laboratory applications, Solid Rubber Stopper; Bottle plug stopper: suitable for medicine, chemical industry, scientific research test tube use, Laboratory Rubber Plug; Test tube sealing plug: the set contains 100 pcs test tube sealing plugs, a large quantity to meet your needs, Tapered Flask Plug; Laboratory bottle stopper plug: suitable for scientific research laboratory use, especially for use with non-aggressive or concentrated, Rubber Stopper
What's in the box
100 x Science Supplies
