Please read the profile before asking questions or making a purchase. We will refrain from responding to inquiries about items already described. The grosgrain ribbon is made of polyester and printed with a pattern, so it's waterproof. (Please avoid leaving it wet for extended periods.) Width: 2.5 cm Collar size: Approximately 39-58 cm Before use, always check for any damage. If there is any damage, do not use it and replace it with a new collar. This is a handmade item, so the stitching may not be perfect, and there may be slight imperfections. Please purchase only if you understand this. In the event of any accidents or troubles during use, we are not 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. When shipping from a post box, we will send a "shipping completion email" as soon as it is dropped off in the post box, regardless of whether it is a weekend or holiday. Type of equipment...Collars, leashes, and harness supplies