Please read the profile before asking questions about purchases. We refrain from responding to inquiries about items already described. ★Material costs continue to rise. The chain has been significantly increased in price again. We will adjust the price accordingly, so please understand. (T_T) This is a 3cm wide half-choke collar for large dogs. Width: 3cm Collar size: Approximately 34-52cm (金具・チェーンの長さは含まれておりません - does not include the length of the hardware and chain) Chain size: Chain width 11mm D-ring inner diameter 30mm, wire diameter 4.0mm M-ring inner diameter 24mm, wire diameter 4.0mm Chain length approximately 23cm Weight 75g Before use, always check for any damage. If there is any damage, 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. For small items, we may affix stamps and drop them in the mailbox without taking them to the post office. In the case of shipping from the mailbox, we will send a "shipping completion email" when the item is dropped in the post office mailbox, regardless of whether there is a collection on weekends and holidays.