Please read the profile before asking questions about purchasing. 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 plated, so it's okay if it gets wet. (Please do not leave it wet for several days) Width: 2.5 cm Collar size: Approximately 29-44 cm (chain and hardware length not included) Chain size: Length 22 cm, weight 60g, inner diameter of the ring 21 mm 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. Please purchase only if you understand this. In the event of an accident or trouble during use, we cannot be held responsible for any guarantee or liability. Shipping will be via regular mail, so there is no guarantee, and it will be delivered to your mailbox. For small items, we may put a stamp on it and drop it in the mailbox without taking it to the post office. In the case of shipping from the mailbox, we will send a "shipping completion email" when the item is dropped off in the post office mailbox, regardless of whether there is a collection on weekends and holidays.