A. Product Details This reflective rain cover is made of 210D Oxford fabric, which can offer good waterproof protection for backpacks. It has bright colors and reflective strips, ensuring decent visibility. With an adjustable elastic design, it comes in 4 sizes. It is compact and portable, and is also equipped with a drawstring storage bag. Suitable for various types of backpacks, it is suitable for camping, hiking, and other outdoor activities. This rain cover comes with a quality guarantee and reliable customer service, making it a useful accessory for backpackers. B. Features 1. The reflective strips can help ensure visibility both during the day and at night. Additionally, there are two elastic straps to secure the backpack or messenger bag. 2. Thanks to its bright colors, this protective cover can work well outdoors. Especially in rainy, snowy, or dim and foggy conditions, the rain cover can protect the messenger bag or backpack. It is equipped with built - in elastic bands and is suitable for different kinds of backpacks. 3. It can provide good waterproof protection, helping to prevent rainwater from seeping into the backpack. It is compact and portable, and can be folded and stored in a drawstring storage bag. 4. It has various capacities. The elastic design is adjustable, and there are 4 sizes available (20L, 35L, 45L, 60L). It is also suitable for school backpacks and laptop backpacks. 5. Quality guarantee. We are confident in our products and offer reliable customer service. If you have any questions or concerns about our products, please feel free to contact us. C. Specifications - Material: 210D Oxford fabric - Colors: Orange, black, green, blue - Sizes: XS/S/M/L D. Package Contents 1 backpack rain cover