U.S. The Ratio Arc Pro: MarkRyden First Kickstarter campaign - Hard-shell Waterproof Laptop Backpack
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Shipping from U.S. WAREHOUSE:Mar 17 - Mar 21
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Orders are processed and shipped from our U.S.-based warehouse, ensuring expedited delivery times so you can enjoy your products sooner.

U.S. The Ratio Arc Pro: MarkRyden First Kickstarter campaign - Hard-shell Waterproof Laptop Backpack
The Ratio Arc Pro: MarkRyden First Kickstarter campaign!
The Ratio Arc Pro - MR8918 is an anti-theft backpack. It features a high-strength ABS shell that is waterproof, and dirt-resistant and is suitable for 17.3-inch laptops and 12.9-inch tablets. The backpack also offers a TSA-certified security lock, USB Type-A and Type-C port.
Feature | Specification |
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Size | 45*31*9-10cm |
Material | 900D composite leather + PVC hard shell integrated moulding |
Security | Equipped with a password lock, integrated anti-theft design |
Capacity | It can accommodate a 17.3-inch laptop and a 12.9-inch tablet |
Main Compartment | Large capacity with various small item storage bags for convenient organization |
Shipping Policy
- All orders will be processed and shipped within 2-3 business days. We do not ship on weekends and holidays.
- This product is shipped directly from our US warehouse to reach your destination as fast as possible. It's about 3-7 business day.
- Please ensure that the shipping address provided is correct. We are not responsible for delays or lost packages due to incorrect or incomplete addresses.
- A tracking number will be sent to you via email once your order has shipped.
Return Policy
- If you're not completely satisfied with your purchase, we offer a 14-day hassle-free return policy. The returned items must be unused, with tags intact, and in their original packaging.
- Once we receive the returned item and confirm it meets our return criteria, a refund will be processed to your original payment method within 2-3 business days.
- If the product you received is damaged or defective, please contact us within 7 days of receipt, and we will provide either a full refund or other help.


FAQ
How can I purchase a MarkRyden US product?
You can browse and purchase MarkRyden product on our official website markrydenus.com. We offer a convenient online shopping experience where you can explore our product range and choose the style and size that suits you. Once you've made your selection, you can add the chosen backpack to your cart and proceed to checkout.
Does MarkRyden US products come with a warranty?
Yes, we provide a limited ONE Year warranty for MarkRyden backpacks. Our warranty policy typically covers manufacturing defects and workmanship issues for a specified period. For more information about our warranty coverage and terms, please refer to our warranty page on our website.
How do I care for my MarkRyden US backpack/bag?
To keep your MarkRyden US backpack/bag in optimal condition, we recommend following these care instructions:
Spot clean any stains or spills with a mild detergent and a soft cloth.
Avoid machine washing or submerging the backpack in water.
Air dry the backpack in a well-ventilated area, away from direct sunlight.
Avoid exposing the backpack to extreme heat or harsh chemicals.
What is the return and exchange policy for MarkRyden US products?
We have a flexible return and exchange policy for MarkRyden US products. If you are not satisfied with your purchase, you can initiate a return or exchange within a specified period from the date of purchase. Please refer to our returns and exchange page on our website for more information and instructions.