1. Waterproof and dustproof, wear-resistant and durable 2. Metal zipper, smooth and easy to pull 3. Practical portable, easy to travel 4. Smooth inside, effectively reducing friction on the machine 5. Comfortable portable design, can be hung and held by hand 6. Outer oxford cloth + PU leather splicing, effective water repellent 7. Dimensions: 38x16x14 cm 8. Weight: 250 grams