Features: This 7pcs set 24mm or 27mm flange insert electric breast pump accessories provides efficient and comfortable pumping experience for nursing individuals. These accessories are safe, easy to clean, and suitable for most electric breast pumps, ensuring convenience and flexibility. Suitable for breastfeeding individuals, offer a easy breastfeeding experience at home or when traveling. With these essential accessories, nursing individuals can confidently maintain their milk supply and provide nourishment for their little baby. Experience the joy of breastfeeding with these practical accessories that improve your pumping routine. Specifications: Component: PP+Silicone Type: 24mm, 27mm(optional) Valves: 19x33mm/0.75x1.3inch Collection Cup: 11x7cm/4.33x2.76inch Nursing Cup: inner diameter 46mm/1.8in, outer diameter 55mm/2.17in, height 12mm/0.47in Conversion Adapter: 6cm/2.36inch Applicable Model: for S9 S10 S12 and other Wearable Breast Pumps Quantity: 7pcs/set Package Includes: 1 Set Breast Pump Accessories note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.