**Product Specifications:**
Brand: B.Duck
Age Range: 1-3 years old
Features: Comfortable and fun design
Size Guide:
- Size 18: Inner Length (mm) 126, Recommended Foot Length (mm) 116-123
- Size 19: Inner Length (mm) 131, Recommended Foot Length (mm) 121-128
- Size 20: Inner Length (mm) 136, Recommended Foot Length (mm) 126-133
- Size 21: Inner Length (mm) 141, Recommended Foot Length (mm) 131-138
- Size 22: Inner Length (mm) 146, Recommended Foot Length (mm) 136-143
- Size 23: Inner Length (mm) 151, Recommended Foot Length (mm) 141-148
