This key case with a reel can be attached to a school bag or other bag, allowing you to use your keys without removing them. It's made of a single layer of matte laminated fabric. The fabric is slightly thick and sturdy. Size (excluding the carabiner): Width: Approximately 7cm Height: Approximately 11cm Zipper: 10cm (YKK, black and gold) This is a handmade item. Please understand that there may be slight variations in size and minor imperfections. The reel may break if pulled too hard. Please handle with care. The reel is removable. #mizusayaReelKeyCase