Silicone gasket for milk storage bottles and insulated cup lids Key benefits Provides a leakresistant seal to reduce spills during storage and transport Soft, flexible silicone adapts to bottle openings for consistent contact and improved sealing performance Gentle texture makes installation and removal easy while preserving bottle rims Durable, reusable construction suitable for repeated use Main features Function: sealing washer ring and gasket for milk storage bottles and insulation cup lids Material: soft, flexible silicone for reliable compression and recovery Compatibility: designed to fit and adapt to common milk storage bottles and insulated cup lids as a replacement or spare sealing ring Performance: leakresistant sealing effect that helps prevent drips and slow leaks during handling Practical applications Refrigerator storage: use as a replacement gasket on milk storage bottles to reduce leakage when refrigerating expressed milk Travel and transport: install the seal washer before packing a bottle in a bag to minimize the chance of spills while commuting or traveling Maintenance and replacement: swap worn or damaged seals on insulated cup lids and milk storage bottles to restore sealing performance Why choose this gasket Simple design focused on sealing performance and ease of use Flexible silicone conforms to bottle openings for a better fit without altering bottle components Practical spare part to extend the useful life of milk storage bottles and insulated lids Package guidance seals if they show signs of wear, deformation, or cracking Clean according to bottle manufacturer recommendations before first use and after each use This silicone gasket is a practical accessory for improving the sealing function of milk storage bottles and insulated cup lids, offering flexible fit and reliable leakresistant performance.