This silicone sealing gasket is made to convert your bottle or insulated cup into a leakproof container. Its milky white, frosted surface adds a clean aesthetic while the durable silicone material ensures safe use with various liquids such as milk and juice. The gasket provides a secure seal ideal for travel, preserving freshness and preventing spills wherever you go. Features -Color:White -Material:silicone -Size:5.00X5.00X1.00cm/1.97X1.97X0.39in -Heat Resistance: Designed to endure elevated temperatures, this gasket can withstand hot conditions, ensuring reliable performance during sterilization or warm liquid storage without degradation -Silicone Material: Crafted from premium solid silicone, it assures sturdy usage with excellent flexibility and strong sealing properties to prevent leaks effectively -Perfect Dimensions: Featuring a carefully measured size with an optimized outer and inner diameter, this gasket fits most wide-mouth bottles and cups securely for a tight seal -Safe and Non-Toxic: Made from silicone, it is safe for direct contact with consumables, providing health-conscious consumers peace of mind -Versatile Use: Ideal for sealing bottles that store milk, powdered formula, juice, or other beverages, perfect for travel and daily use to maintain freshness and prevent spills Package list: 12 x Silicone milk storage coasters