Specification AgeRangeDescription : Baby BottleNippleType : Traditional Brand : Maymom BulletPoint1 : Maymom 2X 17 & 2X 19 mm inserts (Long). Compatible with Medela PersonalFit/Spectra 24 mm shields. It will reduce the 24-mm shield nipple tunnel down to 15 &17mm. Also compatible with Rumble Tuff /Momcozy/LegendairyMilk/Tsrete Wearable 24mm silicone cups. BulletPoint2 : Maintain compatibility with most handsfree bra - Based on the Medela PersonalFit system. You can use most handsfree bra with your original 24 mm detachable shields having this insert inside. BulletPoint3 : BPA free, made of food-grade silicone. ExternallyAssignedProductIdentifier : 4713530100145 ItemName : Maymom 17 &19mm Flange Insert Compatible with Rumble Tuff Go Cups Compatible with Medela, Spectra 24 mm Flanges, Momcozy/Willow Wearable Cup to Reduce 24mm Nipple Tunnel Down to 17 & 19 mm ItemPackageDimensions_Height : 9.0932 centimeters ItemPackageDimensions_Length : 3.2004 centimeters ItemPackageDimensions_Width : 5.8928 centimeters ItemTypeKeyword : baby-products LiquidFlowSpeedDescription : Slow Flow Manufacturer : Maymom Material : Silicone ModelNumber : X012-i17.19x2 NumberOfBoxes : 1 NumberOfPieces : 4 PackageLevel : unit PartNumber : X012-i17.19x2 Pattern : Two Sizes 17, 19 ProductDescription : Maymom 17 &19mm Flange Insert Compatible with Medela, Spectra 24 mm Flanges, Momcozy/Willow Wearable Cup, Rumble Tuff Go Cups Hands Free Collection Cups to Reduce 24mm Nipple Tunnel Down to 17 & 19 mm. Made in Taiwan. BPA free. Safe for baby ProductSiteLaunchDate : 2023-08-18T06:59:33.561Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 52151504