Features: Electric Breast Pump Replacement Diaphragm: The electric breast pump replacement diaphragm help to recover the original suction power and work with breastfeeding pump with better performance. Maintenance of Breastfeeding Pump: By replace the diaphragm to achieve and improve the efficiency of pump speed and power. Premium Material: The breast pump diaphragm is made by food grade silicone, skin-friendly and excellent seal with perfect suction performance, BPA free and safety material for baby bite. Easy to Clean: Our silicone diaphragm is easy to change & clean, dishwasher friendly, soft and food grade material could take good care of your delicate breast skin and smoothly pumping as well. Backflow Resistance: Unique designed with overflow-proof and backflow resistance, prevent milk from wasting, easy for change and assemble. Specifications: Product Dimension: As pictures shown Material: Silicone Net Weight: approx. 10g/0.02 lbs Style Option: 8 options as pictures shown Package Includes: 1 x Silicone Diaphragm for Electric Breast Pump note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.