1. Material: Oxford cloth, EVA 2. Process: sewing 3. Purpose: Digital product storage 4. Dimensions: 24 x 17 x 9 cm, extra size: 27.5 x 21x 9 cm 5. Weight: about 380 grams, about 430 grams 6. The shell is made of hard EVA+oxford cloth, which is more compressive and more wear-resistant 7. Comfortable portable design, more convenient to travel 8. Breathable mesh bag warehouse, neatly sorted and stored 9. Smooth double zipper design, opening and closing will not be stuck