Multiple Size Options: This set includes five common flange sizes (13mm, 15mm, 17mm, 19mm, and 21mm), with 2 pieces of each size, ensuring a perfect fit for different moms' needs. High-Quality Silicone Material: Made from soft, comfortable silicone, these flanges fit snugly against the breast, ensuring comfort and reducing irritation, making them ideal for long-term use. Effective Leak Prevention: The precise design and good sealing help reduce milk leakage during pumping, providing a cleaner and more convenient pumping experience.

Efficient Suction: Each flange is optimized for stable suction, ensuring efficient milk extraction and improving overall pumping effectiveness. Wide Compatibility: Compatible with most common breast pump brands, making it easy and convenient for moms without worrying about fitting issues.