This is the **BABYBJÖRN Baby Carrier One Air** model. It features breathable 3D mesh material, using soft and quick-drying high-performance fabric. The sturdy waist belt and padded shoulder straps provide balanced support for the baby's weight. Suitable for newborns up to approximately 3 years old. Offers 4 carrying positions, including front-facing and back-facing, and is designed to firmly support the neck and head. This is a used item, but there are small scratches on the surface. There are no issues with use or safety. A popular model that is comfortable and can be used for a long time! Thank you for viewing.