The Double-Sealed Compatible Replacement Accessories for Momcozy wearable breast pumps are designed to enhance pumping efficiency and maintain optimal suction performance. Featuring a secure double-sealed structure, these silicone components help reduce air leakage, improve milk expression, and ensure a more comfortable pumping experience. Made from BPA-free, food-grade silicone, the parts are soft, durable, and safe for daily breastfeeding use. Easy to install, clean, and replace, this accessory set is an ideal solution for maintaining hygiene and extending the life of your Momcozy breast pump system.