Motif Luna Milk Collection Containers.Includes: 2 - Milk Collection Containers, 2 - Lids, 2 - Locking Rings/Sealing Collars.You can never have enough milk storage. This set includes two milk collection containers to expand your collection and use as backup. They are compatible with the Luna Breast Pump and allow you to conveniently store expressed milk. The containers feature a pale green top with a stark, easy-to-read gray measuring scale on the side.*Does not include bottle nipples.*