Features: Specially design: This square dust cover is specifically design baby bottles to ensure perfectly fit and prevent dust and dirt from entering the inside of the bottle. Quality: Safe, ensuring the health and safety of baby, wear-resistant and durable, with long service life. Easy to install and remove: The design is simple and easy to install and remove, making feeding more convenient for parents and saving time. Effective dust prevention, compatibility with screw thread: The dust cover can effectively block dust, maintain internal hygiene of the bottle, and ensure food safety; the unique design ensures a stable connection between the nipple and lid, avoiding milk leakage and making feeding more reassuring. Easy to clean: All component can disassembled for easy cleaning, supporting machine and hand washing to ensure hygiene during each use. Specifications: Component: PP Dimension: approx. 7x7x6.8cm/2.75x2.75x2.67inch Color: purple, green, gray, white, blue Applicable Model: for Baby Bottles Package Includes: 2Pcs/set Pacifier Dust Lid+Screw Teeth note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.