Please read the profile before asking questions or making a purchase. We will refrain from responding to inquiries about information already stated. When using the bundle feature, please submit your application without changing the price. We will send you a message after applying the combined shipping discount, so please proceed with the purchase then. 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 37-57cm Before use, always check for any damage. If there is any damage, please do not use it and replace it with a new collar. As this is a handmade item, there may be imperfections in the stitching or 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 you a "shipping completion email" when the item is dropped off in the post box, regardless of whether there is a collection on weekends or holidays.