Sealing breast milk or baby foods.
Fit for Simba wide bottle neck cap, or the neck cap which is 3.8cm.
Features：
Selected food grade silicone material. High heat sterilization and freezing resistance available.
SGS certified, BPA Free.
Patented ring shaped hook, easy to install.
Perfectly fits wide neck bottles, prevents breast milk contamination.
Neck Dimension：
Fit for Simba wide neck feeding bottle.
Simba wide neck silicone discs with width 5.2cm(2.05 inches). Use with other brands feeding bottle please refer above dimension.
Materials：
Silicone(-20℃ ~ +120℃)
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