Used less than 5 times! Only the white bar when the bed part is opened. There is some dirt if you look closely, but I think it's generally not noticeable at all. I have posted all the photos, so Thank you for your understanding. This backpack features a multi-functional design that can be unfolded into a simple baby bed for diaper changes. Type: Backpack Color: The product in the image is a navy denim-like material. Functionality: Large capacity with plenty of storage pockets. The bag can be opened to use as a simple baby bed, convenient for changing diapers when you're out and about. Lightweight and waterproof products, Models with insulated/refrigerated pockets and USB charging ports Straps for attaching to a stroller. Color: Navy系 (Navy-based) Color: Navy系 (Navy-based) Material: Nylon Accessories: Shoulder strap Stains/tears: None