Please read the profile before asking questions after purchase. We will refrain from responding to inquiries about items already described. This is a collar for medium-sized dogs. Width: 2cm Collar size: Approximately 29-45cm Before use, always check for any damage. If there is any damage, do not use it and replace it with a new collar. This is a handmade item, so the stitching may not be perfect, and there may be slight imperfections. Please purchase only if you understand this. In the event of any accidents or troubles during use, we are not responsible for any guarantees or liabilities. It will be shipped by regular mail, so there is no guarantee, and it will be delivered to your mailbox.