It's the mesh type. I tried it indoors a couple of times, but haven't used it since, so it's in beautiful condition. [Brand Features] Konny is a brand that offers slings for safely carrying babies. In particular, it uses breathable mesh material to provide a comfortable babywearing experience. [Product Details] This sling is a size S and features a brown color. It is lightweight and comes with a storage bag for easy portability, making it convenient for outings. The mesh material is designed to keep your baby comfortable. [Usage Scenarios] This item is useful in various situations, such as at parks and shopping malls. It's an essential item for making outings with your baby more comfortable. - Brand: Konny - Color: Brown - Size: S - Accessories: Storage bag Thank you for looking.