Please read the profile before asking questions or making a purchase. We will refrain from responding to inquiries about items already described. When using the bundle feature, please submit your request without changing the price. We will send you a message with the discounted price after combining the items, and then please proceed with the purchase. The core PP tape and D-rings are made in Japan, and the plastic parts (buckles & adjusters) are from YKK. The pattern is printed on polyester grosgrain ribbon, so it's waterproof. (Please avoid leaving it wet for extended periods.) Width: 2.5cm Collar size: Approximately 39-59cm Before use, please always 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 imperfections. 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 (without tracking), and will be delivered to your mailbox. If shipping from a post box, we will send you a "shipping confirmation email" when the item is dropped off at the post office box, regardless of whether there is a collection on weekends or holidays.