Features: Experience simple compatibility and convenience with our Breast Pump Flange Adapter, expertly designed to convert various breast pump flanges to a standard 13mm size. Crafted from high quality silicone, this adapter ensures easy insertion, making it a must have accessory for your breastfeeding journey. Suitable for new Mother or seasones users of breast pumps, this flange adapter simplifies the nursing experience by accommodating multiple brands. Whether at home or travel, this compact and lightweight adapter allows you to comfortably use your preferre breast pump flanges anywhere.. A thoughtful gift for breastfeeding moms, this versatile Breast Pump Flange Adapter is essential addition to any lactation supply, ensuring a stress free feeding routine. Specifications: Component: silicone Standard: 13/15/17/19/21/24mm(optional) Package Includes: 1xBreast Shield Adapter note: Please allow 1 to 3cm error due to manual measurement, please sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual color of the item.