Please read the profile before asking questions after purchase. We refrain from responding to inquiries about items already described. Width: 2 cm Collar size: Approximately 25-37cm (excluding the length of the hardware and chain) Chain size: Inner diameter of the ring 18mm, wire diameter 3.0mm Length: Approximately 18cm, Weight: 40g 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. As this is a handmade item, the stitching may not be perfect, and there may be slight deviations. We appreciate your understanding and ask that you only purchase if you agree. In the event of an accident or trouble during use, we cannot be held responsible for any guarantee or liability. 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.