Keep your child's insulated cup functioning with our silicone gasket replacement rings. These gaskets are designed to fit securely in the lid, preventing any liquid from escaping. Made from silicone, they are resistant to wear and tear, ensuring use. Installation is simple and quick, allowing you to easily replace worn-out gaskets and maintain a leak-proof seal. Features -Color:Grey -Material:Silicone -Size:5.20X5.20X0.20cm/2.04X2.04X0.08in -Size:4.00X4.00X0.20cm/1.57X1.57X0.08in -Versatile use: suitable for various cup types, including insulated bottles and space cups, offering convenience and practicality for different needs -Easy to clean: the simple design allows for easy disassembly and cleaning, ensuring the lid remains clean at all times -Safety assurance: undergoes rigorous quality testing to meet safety standards, providing peace of mind for safe usage -Universal compatibility: suitable for most insulated bottle lids, making it a versatile accessory for various types of containers -Renew your bottle: seal the lid to the cup, creating a leakproof seam that makes your lid look and function Package list: 40 x sealing ring