Youha Breast Shield for Express & The Ins Handsfree Breast Pump is a replacement breast shield forYouha The Ins (Gen 1 and 2) Wearable Handsfree Breast PumpandYouha Express Handsfree Collection Cups Set.It is important to have spare breast shields at your work place or for travelling so that you can pump conveniently anywhere, and when you do not have time to wash your breast shields in time before pumping and need extras. Includes 2x breast shield Excellent fit for comfort and performance ForYouha The Ins Gen 1 Wearable Handsfree Breast Pump (click here). For Youha The Ins Gen 2 Wearable Handsfree Breast pump (click here). For Youha Express Handsfree Collection Cups Set (click here). For Youha Express PLUS Handsfree Collection Cups Set (click here)