Please read the profile before asking questions about purchasing. We will refrain from responding to inquiries about items already described. This is a 3cm wide collar. The core PP tape, D-rings, and adjusters are made in Japan, and the buckles are from NIFCO. Width: 3cm Collar size: Approximately 36-56cm Before use, always check for any damage. If there is any damage, do not use it and replace it with a new collar. As this is a handmade item, the stitching may not be perfect, and there may be slight misalignments. Please purchase only if you understand this. Please note that we are not responsible for any accidents or troubles that may occur during use. Shipping will be via regular mail, so there is no guarantee, and it will be delivered to your mailbox. If shipping from a post box, we will send a "shipping completion email" when the item is dropped off in the post box, regardless of whether there is a collection on weekends and holidays.