Handmade, adjustable length, approximately 2cm wide. Cannula holder, approximately 26-29cm. The inside, which touches the skin, is W-gauze fabric. A layer of domett batting is sandwiched in the middle, and the outer fabric is cotton. The zipper uses a Furupa handicraft strong zipper. It's stiffer than commercially available ones. This is handmade by an amateur, please understand and purchase! For those who fit the size, how about it? #CannulaHolder #CannulaBelt #Handmade