Flat clamping dimension 4.5CM

Small cap diameter of about 4CM

All cloth small BB can also be used Oh very safe

Because of Handmade so each hat size diameter may have little difference， if you buy， we will try to carry on the existing stock of the same size， but sometimes it ishard to avoid still have inconsistencies if you do not accept， the best singlepurchase and single use only， thank you for understanding.