your baby's milk stays fresh with our milk bottle replacement lids and baby bottle sealing discs. These bottle replacement caps are made from excellent silicone, providing a tight seal to prevent leaks. To use, insert the baby bottle sealer gasket into the lid and screw it onto the bottle. These caps are ideal for storing milk in the fridge or taking it with you on trips. Features -Color:White -Material:PP, silicone -Size:6.00X6.00X2.50cm/2.36X2.36X0.98in Note: suitable for 4 screw thread with 5 cm diameter. -Cleanliness: This innovative product that leaks from bottles, keeping your bag and surroundings impeccably clean. -Extended Freshness: The sealing cap is designed to keep fresh for an extended period preserving their -Reusable and Sturdy: These reusable and sturdy baby bottle lids are easy to wash and carry, making it convenient addition to any breastfeeding routine -Lightweight and Portable: Lightweight and portable, this product is ideal for travel and daily outings, offering on the go -User-Friendly: Designed for simplicity, it is easy to use, clean, and replace, providing a convenient experience for busy parents Package list: 1 x lid 1 x sealing ring