Features: Achieve discreet and efficient milk expression with this set of wearable breast pump accessories, designed for your convenience. Crafted from safe and comfortable silicone material, these accessories ensure a gentle pumping experience, making it easier for you to express milk. Designed for individuals seeking a hassle free solution, these accessories offer a convenient way to express milk while maintaining your daily routine. Perfect for busy individuals, these accessories provide a portable option for expressing milk, allowing you to pump anywhere, any time. Experience the ease and flexibility that these breast pump accessories bring, empowerings you to meet your baby's feeding needs easier. Specifications: Material: silicone Duck Beak Valves diameter: 52mm, height: 40mm Membrane height: 36mm, internal: 11mm Package Includes: 2xDuck Beak Valves 2xMembrane 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.