New arrivals video : Motorcycle Travel Luggage Bags 20-28L Expandable Backpack Helmet Large Capacity Waterproof Laptop Motorcycle Bag For Riding Features: 1. Water-resistant high-quality material: 300D encrypted nylon cloth, anti-aging, soft, strong and light. Surface water-repellent treatment, the rain forms water drop like on lotus. Back glue, isolated rain water from internal objects to ensure dryness ide, worry-free for travel on rainy days. 2. Double zipper expandable design: Double zipper, capacity can be expanded to 28L, can store full helmet, cycling clothes, gloves, 14-inch computer and other items needed for journey. Meet daily needs. 3. Integrated storage bag: Integrated storage bag ide, can be used as internal pocket to store small objects at ordinary times. Can be turned over and used as a storage bag. Can be folded and stored, light and convenient, not occupy space. 4. Lightweight: The backpack weighs only 0.23kg, storage size about 16*15*4cm. Can be easily held in the hand. Equipped with climbing hooks, can be hung on the waist or on the car to reduce fatigue during journey. Enjoy riding. 5. Humanized design: Thick and durable, good texture, hanging tail design, convenient to wear gloves when riding, Shoulder strap design, beautiful and strong, reduce shoulder pressure. Folding method: 1. Open the zipper and turn the bag over. 2. Turn over the small pocket ide. 3. Fold to the middle. 4. Fold towards the pocket. 5. Put it in the storage bag. Specification: Name: Motorcycle Backpack/Riding Backpack Material: 300D encrypted nylon cloth Colour: Black Size(approx.): unfolded size 28*46cm/11*18"'""'" storage size 15*16*4cm/5.9*6.3*1.57"'""'" Capacity: 20-28L Packing List: 1*Backpack warm note :The product itself has the MESOROCK logo, please don"'"t take it if you mind