This necklace uses a thick, 5mm diameter, domestically-produced round leather cord. It can be worn as is, or you can attach a large pendant top. (The outer diameter of the metal fittings is approximately 6.5mm.) ・This is an accessory with a strong presence due to the thick leather. The basic specifications are: Leather color: Natural Metal fitting color: Silver Metal fitting type: Large plate clasp Length: 45cm including metal fittings However, these specifications can be changed. If you wish to make changes, please contact us before or immediately after purchase. If we do not hear from you, we will send the item with the basic specifications. The items that can be changed are as follows: Choose from black, dark brown, natural, or brown for the leather cord color, and silver or gold for the metal fitting color. The metal fittings will all be the color you choose. Please understand that the color of the leather cord may appear different depending on the time of arrival and the environment in which you view it. The metal fitting type is a large plate clasp, but you can also change it to an adjuster type if you wish. The adjuster type allows for size adjustment of about 5cm. The length is custom-made to your desired length. Please let us know the length including the metal fittings (up to 50cm). ※ Natural is undyed natural tanned leather. The color shade will vary depending on the arrival time. If you would like multiple items or additional length, please let us know in the comments. Please contact us if you have any questions. Material: Genuine leather Color: Beige Material: Genuine leather