Please read the profile before asking questions about purchases. We will refrain from responding to inquiries about items already described. When using the bundling feature, please apply without changing the price. We will send you a message after applying the combined shipping discount, so please proceed with the purchase then. The core PP tape and D-rings are made in Japan, and the plastic parts (buckles & adjusters) are YKK. Made with 100% cotton oxford fabric. Width: 2.5cm Collar size: Approximately 30-44cm 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, 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 mailbox, we will send you a "shipping completion email" when the item is dropped off at the post office mailbox, regardless of whether there is a collection on weekends and holidays.