1.Brand New High Quality2.Material:PU Leather3.Good For Newborn Baby 0-1 Years4.Size: US Size 1=11cm Fit For 0-6 month US Size 2=12cm Fit For 6-9 month US Size 3=13cm Fit For 9-12 monthif you do not know how to choose the size，welcome to contact with us.any problem，contact with us.