Please read the profile before asking any questions. We will refrain from responding to inquiries about items already described. 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. The core PP tape and D-rings are made in Japan, and the plastic parts (buckles & keepers) are from YKK. We use a thick, 100% cotton canvas fabric. The white parts are not pure white, but rather an off-white color. Width: 2.5 cm Collar size: Approximately 33-49 cm Before use, please be sure to check for any damage. If there is any damage, please do not use it and replace it with a new collar. These are handmade items, so the stitching may not be perfect, and there may be slight misalignments. Please purchase only if you understand this. In the event of any accidents or troubles during use, we cannot be held responsible for any guarantees or liabilities. Shipping will be via non-standard mail, so there is no guarantee, and it will be delivered to your mailbox. If shipping from a mailbox, we will send a "shipping completion email" at the time of posting to the post office mailbox, regardless of whether there is a collection on weekends and holidays.