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 Off-White Gold) This is a handmade item. Please understand that there may be slight size variations or imperfections. The reel may break if pulled too hard. Please handle with care. The reel is removable. #mizusayaReelKeyCase