1.Material: 100% non-toxic odorless solid silicone, more safe and clear
2.Size: wide neck for wide neck bottle
3.Color: high-transparent
4.Hole sizes: small, medium, large for round hole and small, medium, large for cross hole
5.Safety: free of BPA, phthalates and PVC, non-toxic and lead-free
6.Temperature: -50 to 200
7.Sizes: S, M and L indicates the frequency of air flow:
S: suitable for newborn to 2 months
M: suitable for 2 to 6 months
L: suitable for 6+ months
10PCS/OPP CTN SIZE 46*28*35
