Dr. Brown’S Manual Breast Pump With Softshape Silicone Shield Is Your Quiet, Powerful Pumping Companion. The 100% Silicone Shield Is Soft, Flexible, And Conforms To Different Breast Shapes Creating A Seal For Comfortable, Efficient Pumping. Two Pumping Modes Better Mimic Baby’S Natural Feeding Pace; Start In Letdown Mode For Shorter, Quicker Pumps, And With An Easy Adjustment, Switch To Longer Pumps To Imitate Baby’S More Relaxed Feeding. Dr. Brown’S Manual Breast Pump Comes With Dr. Brown’S Anti-Colic Options+ Wide-Neck Bottle Featuring The Breast-Like Nipple In Level 1 Slow Flow, Plus Storage/Travel Cap, So You Have Everything You Need To Pump, Store, And Feed! The Softshape Silicone Shield Comes In Size B (25 Mm Flange).