Features: Breast pump connector adapter is specifically designed to seamlessly connection, ensuring a securely fit preventing milk leakage. Food grade PP, this adapter is odorless, heat resistant, easy to clean, reliable for breastfeeding mother. Great for breastfeeding mother, whether you're a first time mom or experienced parent, this adapter provides a dependable solution for efficient milk expression. Perfect for use at home, during travel, or at work, which offers convenience comfort, allowing moms to pump efficiently in any setting. With its unique designing ensuring a tight connection, this adapter enhances your pumping experience by offering compatibility reliability. Specifications: Component: PP Color: White Applicable Models: refer pictures to selection please Size A: approx. 3.6cm\/1.42inch Size B: approx. 3.5cm\/1.38inch Size C: approx. 3.8cm\/1.5inch Size D: approx. 3.3cm\/1.3inch Size E: approx. 3.6cm\/1.42inch Size F: approx. 3.3cm\/1.3inch Size G: approx. 3.0cm\/1.18inch (more detail size please refer to pictures) Package Includes: 1Pc Breast Pump Connector note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.