MIER 30L Roll-Top Waterproof Backpack Heavy Duty Kayaking Floating Dry Bag

Out of stock
$74.99 USD
Size Guide

MIER 30L Roll-Top Waterproof Backpack

This go-anywhere waterproof backpack offers a stylish look and large storage space with multi-functional interior and exterior pockets for all your necessities. The bag body is made of lightweight ripstop polyester with internal waterproof TPU coating, keeping your items safe from dust, water, snow, rain and more. It is also designed with a heavy-duty reinforced bottom against harsh environment. MIER 30L Roll-Top Dry Backpack allows you to go Kayaking, Floating, Fishing, Swimming, Boating, Hiking, Camping or Traveling with confidence, also perfect for the daily commute!


  • Enhanced Waterproof Design ---- MIER waterproof backpack uses great solid Roll Top Closure Seal System with high-frequency welding process to achieve an optimal watertight seal, secure with two side durable buckle straps. We also add a water repellent zippers at the opening to enhance the waterproof factor. This dry backpack is Twice as Waterproof & Safe than normal dry bags
  • Durable Outdoor Backpack ---- Constructed with 600D tear-resistant polyester material with internal waterproof TPU coating and extra reinforced bottom, it is abrasion-resistant and easy to clean for long-lasting; Heavy-duty DURAFLEX buckles and strong "MIER" logo zippers are used. With a stylish look, it is not only suitable for outdoor & water sports, but also for daily use
  • Large & Multiple Pockets ---- Whole bag size: 13.8"Lx7.5" Wx27.6"H, size after rolled up: 13.8"Lx7.5" Wx18.1"H. This waterproof backpack has a 30L capacity with plenty of storage pockets. 1 interior zipper pocket and 1 open pocket to keep things separate, large for iPad, Kindle; 1 vertical pocket with water repellent zipper on the front for convenient access; 2 sides mesh pockets with beam rope buckle for water bottles
  • Comfortable Daypack ---- Ergonomic system is designed with vented & padded back panel and shoulder straps to provide full support, also equipped with an adjustable sternum strap and hip belt to distribute the weight. Top soft grab handle for comfy carrying and added reflective detail on each shoulder strap to keep nighttime safety
  • Limited Manufacturer's Warranty ---- TWO-YEAR for MIER Waterproof Backpack. We stand behind our products. If a product fails because of a defect in material or the quality of workmanship, we will repair or replace it free of charge. MIER takes pride in the quality of our products and warrants that the materials and workmanship will be free of any defects. Our factories follow a strict set of specifications and quality standards, however, if a problem develops, please contact us

Free Shipping On All Orders, No Minimum Purchase.

Delivery Information

Miersports.com understands that getting your items in a timely manner is important to you, so we process your order swiftly. Please note that because we make every effort to ship your product as quickly as possible, once the shipping process begins, we are unable to make any changes to your order.


  • 10 to 15 Business Days to Asia and its neighbor countries
  • 10 to 20 Business Days to the US and Europe
  • In-stock items will ship within 24-48 hours


  • Needs to make up the difference compared to standard shipping, please contact us before ordering
  • In-stock items will ship within 24-48 hours

All orders are estimated to ship typically within one to two days after the order is placed. Shipping days exclude weekends and holidays. At this time, we are currently free to ship to limited countries listed on our website, other countries please email info@miersports.com in advance. Most of Miersports' products will ship from our factory warehouse. All free shipping products will ship via standard shipping. Orders shipping to APO/FPO addresses will be unavailable. We do not ship to PO Boxes.

Returns Policy

We strive to provide the best customer experience. If for any reason you are not satisfied with the product you purchased from miersports.com, you may return it within 30 days of delivery for a full refund minus any shipping charges. We just ask that the product is in brand new condition with the original tags still attached for full credit.


If you're unhappy with your purchase, please take the following steps:
Simply fill in the details on the returns form within 30 days of delivery to return your item(s). Please include your Order ID and reason for your return in the form for documentation purposes. Don't know your order number? Sign in to your account to process returns. During the returns period, we will respond with authorization and instructions for returning your item(s). A full refund of the purchase price (minus any shipping charges) will be issued in the form of the original payment for all items confirmed returned in a re-saleable condition. Refunds may take between 5-7 business days to process once an item has been delivered to our warehouse. Typically, refunds show up on your credit/debit card within 2 business days after the refund is issued. If you run into any problems, feel free to contact us here

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MIER 30L Roll-Top Waterproof Backpack Heavy Duty Kayaking Floating Dry Bag
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