1. SAFETY AND COMPATIBILITY: Hands milk collection cup is made of food grade pp and silicone material, and do not contain other harmful substances, compatible with most milk bottles. 2. HAND : Portable design, can be placed directly on the bra, your hands, no need to always hold with your hands, ultra light design to prevent milk leakage. 3. INSTALLATION : Milk collection cup can help you improve your breastfeeding efficiency. All in one design, installation and can be used with a variety of breast pumps and silicone tubes. 4. EASY TO CLEAN: Breast milk collector cup are easy to clean and can be hand washed with warm water and soap, preferably air dried before use. 5. WARM NOTE: Ideal choice for postpartum mother. It is recommended that parts be replaced every 1 to 2 months. Deformed parts can cause suction failure or fluid leakage. Specification: Item Type: Wearable Breast Pump Cup Material: PP, silicone Size: Approx. 119 x 116 x 80mm / 4.7 x 4.6 x 3.1in Capacity: 240ml How to Use: Use with a breast pump. Package List: 1 x Milk Collection Cup 1 x Single Sided Adapter Hose