Flange Insert for Effective Pumping 17 19 21mm/24mm 3pcs/1pc Shield Maximize Milk Expression Silicone

24mm inserts to use with 27 mm detachable and no smell, safe to use Insert to use with Breast 24 27 mm detachable will reduce the nipple tunnel down to 17/19/21 24 mm. washable and reusable Use which are safe no injury to the chest