13.3'' Envelope Laptop Sleeve Case Bag Woolen Felt For Apple Macbook Pro Air 1. High quality woolen felt case for 13.3" laptops, simple but fashionable design. 2. Portable and comfortable, great for carrying your laptop alone or put it into a larger bag. 3. Practical and durable that it won 4. Dust-proof , static-proof, scratch-proof, anti-shock. 5. Also suitable for the laptops and tablet PC whose sizes are under 13.3".