Never used, open box 24mmm flange size The ONE Express Cups Plus take hands-free pumping to the next level. The express cups were designed for discreet, convenient, and versatile hands-free pumping without compromising on efficiency. The express cups fit comfortably in your bra and the silicone breast shields make for a very comfortable fit. ● The ONE Express Cups Plus are designed to use anytime you like, wherever you like ● Compatible with various leading pump brands ● Offering you a single or double, hand-free, more enjoyable, and discreet way to express breast milk ● Allows you to express directly into the express cups, no special bra, no dangling bottles, no undressing! ● High-quality closed-system is free from BPA and DEHP The ONE Express Cups Plus are a high-quality closed systems and all the parts that come in contact with breast milk are free from BPA and DEHP.