Upgrade Version Breast Shells Nipple Shield with Anti-Flow Stopper Therapy Comfort for Sore Leaking Breast aFeeding Nursing Mother BPA Free Food Grade Silicon Breastmilk Saving (2 Shells)

?Upgrade Version—This is the upgrade version of CMBEAR breast shell,it built with an anti-flow stopper lid on the air vent hole,if you want to sleep with the shell, you can close the lid.if you want to let the fresh air in, you can open the lid10?Wearing Comfortable - Made from soft food-grade silicon and pp material, flexible and skin-friendly, SGS approved and BPA-free, non-toxic and no stimulating smell.Suitable for any size bra, does not affect your daily looking. This humanized ergonomic breast shells protect nipples from friction, avoid milk flow out10?Wide compatibility--this milk saver create a new collection shell to collect milk,and stop milk leakage. Comfortable design, enables you feels no burden when on traveling or daily working, it helps a nursing mother avoid the embarrassment of milk wetting on clothes10?Advantages-- compared to the traditional nursing pads,this breast shell is of no allergic smell,and can be reusable and washable, moreover the collected milk can be feeding to babies,it can save 20ml/0.17oz milk at its max volume10?kindly note--when the saver is full, pour out the breast milk or collect them in a nursing bottle.The saver is washable and reusable.Remember to keep savers dry after use,and place them in dry, cool,clean place after use.? this shell is a common average size, Please Measure your breast before purchase,if your breast is too big,this size may not work with you