Hands-Free Wearable Breast Milk Collection Cups, Caracups Compatible with Medela & Spectra S1 S2 9 Plus Breast Pumps, 27mm Silicone Flanges with 17/20/24mm Inserts (Collection Cups)

["Hands-Free & Discreet Design: Transform your favorite pump into a portable hands-free system, allowing you to pump invisibly and free up your hands for multitasking; each cup comes with a storage box for easy carrying and organization.","Wide Compatibility: Perfectly fits Spectra S1, S2, 9 Plus breast pumps; also compatible with Medela Freestyle Flex, Pump in Style with MaxFlow, and Swing Maxi Electric Breast Pumps (requires original tubing).","Complete Replacement Kit: Includes 27mm silicone flanges, 2 valves, 2 collectors, 2 tubing set, and 17mm/20mm/24mm inserts—ideal replacement parts for Spectra pump parts and Spectra Cara Cups.","Ultra-Soft & Safe: Silicone breastshields are made of ultra-soft silicone, gentle on delicate breast skin; features a closed system with backflow prevention to protect your pump and ensure milk safety.","Generous Capacity: Each collection cup can hold up to 6oz / 180ml of breastmilk, meeting your daily pumping needs without frequent emptying."]