14 Pack Breast Milk Pump Inserts Breast Converter Practical Breast Pump Replacement 13/15/17/18/19/20/21mm, Compatible with Momcozy Wearable Breast Pump, for TSRETE/Spectra/Medela 24mm Shields, Reduce 24mm Tunnel Down to Other Size, Wearable Cups

Usage:Land inserts sets contain two of each size (7 sizes in total), which can be used to find the correct size for your nipples. At least two land inserts can be used simultaneously for work., Save: These replacement pump parts will save you the hassle of testing nipple size and selection. Many moms have nipples of varying sizes that can also change in size at different times., Safety:Made of transparent silicone material,our product is BPA-free you can use it with confidence., Wide Application: These breast pump accessories are only suitable for 24mm Shields/Lands and cannot be used with other sizes of Shields/Lands. Using coconut oil or nipple butter can reduce friction and make them easier to use., Necessity：The size of the land inserts is very important for comfort and efficient pumping. It is recommended to replace the old land inserts every 1 to 2 months. This will give you peace of mind when breastfeeding your baby.