A wing sack with pockets that allow you to easily put in and take out frequently used small items such as smartphones and IC cards while wearing a backpack. The pocket part can be removed and can also be used as a pouch. A D-ring is included in the pocket on one side, so you can safely store valuables such as keys and pass cases. Excellent storage capacity with 10 pockets! The shoulder bag can be removed with a buckle, so you can take the backpack down even with the baby carrier attached, making it a great mother’s bag! The inner back pocket can also store a PC. It has a simple design and is water-repellent, so you can use it in any situation.