Bullet Points : 1 > Two-Phase Pumping- Let-Down And Expression Phases To Help With Pumping Efficiency And Maximize Milk Expression 2 > Comfortfit Flanges- 2 Sizes Included (25Mm & 30.5Mm) With Flexible Soft Rims For Ideal Suction & Fit 3 > Ergonomic Handle- Easy-Express Handle Design To Reduce Hand Fatigue While You Pump 4 > Easy To Use- Fewer Parts So Itã¢ÂS Easy To Assemble And Easy To Clean. Bpa And Bps Free 5 > Lansinoh Compatible- Wide-Neck Bottles Fit Across The Lansinoh Range So You Can Use One Bottle To Pump, Store, And Feed Description : Lansinoh Manual Breast Pump, Hand Pump For Breastfeeding