ITEM NAME:Outdoor 30-40L Protable Waterproof Backpack Camping Cycling Dust Rain CoveSEAU Features: 1. Easy to carry, simple to store 2. Dirt-resistant, waterproof 3. Light and practical 4. Protect backpack, anti-theft 5. Printing: tasteless paint Specifications:.Material: 210d polyester taffeta. Dirt-resistant, waterproof. Color: Black. Applies to: 30-40L bag.