This collar is made with 550 paracord imported from Europe and uses hardware made in Japan or Europe. Width: Approximately 3cm Thickness: Approximately 1.5mm Despite the thickness, it's a soft collar. Color changes are possible. (This is a 3-strand braided half-check collar. For this design, you can choose 1-3 colors. 4-strand braiding is also possible. A 4-color gradation is also beautiful.) Matching leashes are also available. Price is for collar sizes up to 35cm. After that, an additional 500 yen will be charged for every 10cm. In addition to the half-check type shown in the image, we can also make collars with Biothane adjustable belts. (Belts are +800 yen) We will discuss specification changes on a dedicated page after receiving your comment. Discounts available for multiple purchases and repeat customers. You can see other designs at #asowan_sakuhinshu☆ Thank you for looking.