Youha The ONE Express Cups PlusWearable Cups for The INs Wearable Breast Pump AND your double electric pump The ONE Express Cups PLUS connect your double electric breast pump motor via tubing, or directly to The INs top mounted wearable motor. The ONE Express Cups PLUS fit comfortably in your bra and the silicone breast shields make for a very comfortable fit. Compatible with most leading pump brands Allows you to use your electric breast pump or The INs to express directly into