10 PCS Silicone Grommet Plugs Snap In Panel Hole Covers,Silicone Stoppers (16mm)

【Reliable Material】: Made from high-quality silicone, these plugs offer excellent elasticity, pressure resistance, shock absorption, and insulation—ensuring a tight and secure seal. 【Perfect Fit】: Each plug has an outer diameter of 20.5mm, height of 12.5mm, and fits panel holes with a 16mm diameter. 【Secure Design】: Engineered with a grooved anti-slip rim that locks firmly into place, making installation quick and reliable without tools. 【Protective Function】: Forms a snug seal that keeps out dust, water, and foreign objects—helping to protect equipment and extend its lifespan. 【Versatile Application】: Ideal for sealing decorative or functional holes in electrical devices, machinery, vehicles, furniture, test tubes, or bottles.