Features: Enhanced waterproof sealing rings designed for electric toothbrushes prevent water damage and growth, ensuring long term durability for various models. Made of flexible, heat resistant rubber with pressure resistance, these seals maintain elasticity and structural integrity across varying water temperatures. Ideal for adults seeking reliable replacements to protect toothbrushes from internal corrosion. Perfect for daily home bathrooms or travel use, these rings safeguards brush handles during showers, sink cleanings, or humid storage environments. Engineered to outperform standard plastic seals, these rubber replacements reduce leakage risks while optimizing orals care hygienes for frequent users. Specifications: Material: Rubber Size: As Picture Shows Package Includes: 4x Sealing Rings note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.