Please read the profile before asking questions or making a purchase. We will refrain from responding to inquiries about items already described. This is a half-check collar for medium to large dogs. The chain is chrome-plated, so it's okay if it gets wet. (Please avoid leaving it wet for several days) Width: 2.5 cm Collar size: Approximately 29-43 cm (chain and hardware length not included) Chain size: Length 22 cm, weight 60g, inner diameter of the ring 21 mm 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 deviations. 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 not take them to the post office and instead affix stamps and drop them in the mailbox. 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. Type of equipment...Collars, leads, harnesses