Pack of 40 Rubber Plugs, Hole Black Sealing Round Silicone Waterproof Plugs for Holes 4/5.5/7.5/8/8.5/9/9.5/10 mm Inner Diameter

High-quality material: our rubber plugs are made of silicone, soft and elastic, the hole plugs have sealing properties waterproof, dustproof and high temperature resistance. Ideal for RV equipment and campers. Versatile sizes rubber stopper: this rubber plug set contains 8 sizes, 5 pieces each size, suitable for most standard hole diameters of 4/5.5/7.5/8/8.5/9/9.5/10 mm. Sufficient quantity for daily use. Easy to install: our rubber plug requires no special tools for installation, the rubber stopper can be pushed directly into the bottle mouth or other items that need to be sealed. Practical Application The black silicone plugs are for sealing plugs, test tube plugs, rubber bulbs, covers, cylinder plug heads, rubber plugs. To meet your needs for use in multiple areas. 40 pieces silicone hole plugs: the package contains 40 pieces black sealing plugs, enough quantity for your daily replacement, it can meet your different size requirements. If you have any questions, please feel free to contact us!