Used a few times after purchase. (Used only once as a baby carrier.) It can be used without any problems. THE NORTH FACE Sling Bag (Baby) Black Product Model Number: NMB82250 The following is an explanation from the website: ↓ This is a functional sling bag with a hip seat function for baby carriers, which is useful for parents and children when going out. It has obtained the SG standard (an optional system that certifies the safety of consumer products) and is equipped with a retractable safety belt and hip seat. In addition, the shoulder buckle, which is easily touched by the child's hands, has a lock function that makes it difficult to detach. Furthermore, a rubber loop is installed at the base of the buckle to reduce the risk of falling in the event of the buckle being released. It has a backup function to reduce the risk of falling. Convenience is improved with a front pocket and side mesh pocket that can be operated while holding the baby. For hygiene reasons, the inner lining can be removed and washed. *For safety reasons, it is recommended to use it from the time the baby's neck is stable. Fabric 500D Nylon Ox Function Country of Origin Japan Size ONE SIZE Weight Approx. 465g Color Black Dimensions H22xW32xD12cm Capacity 8L *Please refrain from purchasing if you are nervous about used items or home storage.