Crafted from sturdy silicone, these pump accessories are designed to prevent milk leakage, helping to preserve the freshness of expressed milk and improving storage quality.The parts measure approximately 0.86 x 0.71 x 0.71 inches, optimally designed to enhance pumping efficiency and reduce pressure, providing a comfortable experience for breastfeeding mothers.Ideal for daily use, these washable and detachable components support easy maintenance and hygienic cleaning.Compatible with a wide range of pumps, these replacements ensure your device continues to operate smoothly.Perfect for use at home, during work breaks, or while travelling, these parts help busy mothers maintain consistent milk flow.This replacement set is a practical addition to your breastfeeding pump accessories, making pump upkeep straightforward and convenient.