Size: Approximately 45cm (height) x 35cm (width) Color: Black Material: Polyester Features: This is a backpack cover made of waterproof and water-repellent polyester material. In case of sudden bad weather, simply cover your backpack with it, making it easy to attach! The cover itself is also lightweight and compact, making it perfect for carrying around. I'm selling this because I kept it in my backpack but never used it. Seam details: It was like this from the beginning, as shown in the photo. For those who understand that this has been stored at home, Thank you in advance.