For management.03 This appears to be a pouch that came with a collaboration shoulder bag between ADIDAS and Momoiro Clover Z. It seems like it would be a convenient pouch to attach to the strap of a shoulder bag or backpack, allowing you to keep items like your smartphone or a plastic bottle easily accessible. To attach it, there's a vertical velcro opening that you slide the strap into. Since it's not very wide, it might be difficult to attach unless the strap is thin or you can bypass the padding. Below is AI-generated information: A purple Adidas pouch with a zipper and an internal pocket. - Brand: adidas - Color: Purple - Internal structure: With pocket - Features: Zippered Thank you for looking.