Description:Durable Material: This hole plug is made of quality silicone, which has excellent corrosion resistance, and high-temperature resistance. T-shaped design, soft and elastic, fits holes of various shapes, effectively waterproof and dustproof.Easy to Use: No special tools are required to install these plugs. Just measure the hole plug diameter, choose the appropriate size, and press the stopper into the hole. This will save you time and energy.Excellent Protection: The Silicone Plug has excellent sealing properties and snaps over holes or sealing surfaces to prevent the ingress of liquids, gases, and dust, protecting equipment and tools.Wide Application: These T-shaped silicone rubber hole plugs are good for sealing various openings in laboratories, kitchens, and households. They are commonly used as bottle stoppers, test tube plugs, and general-purpose hole seals. Suitable for both professional and everyday use, these plugs provide versatile and efficient sealing solutions.Note: Due to manual measurement, there may be +/- 1-2mm errors in size and slight color deviations due to different batches.Specification:Package Content: 15 Pcs x Rubber Hole PlugsMaterial: SiliconeColor: WhiteInner Hole Diameter: 6 mm/0.24 inchTop Diameter: 23 mm/0.91 inchTop Thickness: 4 mm/0.16 inchHeight of Plug Hole: 10 mm/0.39 inch