Features: Perfectly Compatible: These breast shield covers are specially designed to fit electric breast pumps. Enhances your pumping experience with ease and comfort. Hygienic and Convenient: Ensure a clean and hassle-free pumping session with these breast shield covers, exclusively produced for electric breast pumps. Stay worry-free and focuson expressing milk. Superior Comfort: Made from soft and gentle materials, these breast shield covers provide a comfortable andsnugfit. Say goodbye to discomfort during pumping and enjoy a more relaxing experience. Leak-Proof Design: Designed with precision, these breast shield covers offer a secure seal to prevent any leakage. Keep your clothes dry and maintain your pumping routine effortlessly. Easy to Clean: These breast shield covers are simple to disassemble and clean, ensuring proper hygiene for you and your baby. Experience convenience and peace of mind while using your electric breast pump. Specifications: Material: PP Standard: 17mm/21mm/23mm/24mm/25mm/27mm(optional) Package Includes: 1xWide Neck note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.