1. Material: cotton
2. Color: dark gray, light gray, blue, khaki
3. Size: S size (inside length 11cm, baby 0-6 months recommended)
4. Size: M size (inner length 12cm, 6-12 months baby recommended)
5. Size: L size (inner length 13cm, 12-18 months baby recommended)
6. Soft material makes baby feel comfortable
7. A premium model for daily use in summer, easy to take off or wear
8. Non-slip design ensures baby safety and a good gift for babies
9. Note: According to manual measurement, the difference is 2-3cm