Hello! Thank you for taking a look at my item from among many others ( * ꒳ *) This is a pass case knitted with yarn✩.*˚ A clear pass case is inserted inside on the left, so I think it's less likely to lose its shape. You can attach it to your bag as is, or attach it to your favorite reel key holder and use it m(_ _)m How about it for your child's pass case? I knit each one with care and feeling. However, it is handmade, so it is not perfect ( ; ; ) Please refrain from purchasing if you are very particular... I hope you will like it♥