The patented adapters (2 pc in this listing) allow you to pump directly into most popular breastmilk storage bags like Lansinoh and Nuk. Patented in both Taiwan and China, and patent pending in several countries.
No milk loss due to transferring from collection bottles to bags; Clear in color for seeing the milk coming out during pumping.
NOTE: There is stainless steel in the product. DO NOT place the product in a microwave oven or steamer bag for sterilization. Use boiling water for 2-3 min instead. DO NOT hold the clip area when you are pumping to avoid release of the bag, thus dropping the milk on the floor!
Material: Heavy duty polypropylene(PP), BPA free. Stainless steel spring.