Lightweight Dry Bag Backpack with Side Bottle Pocket

Out of stock
$67.99 USD
Size Guide

Note: This product only ship to US Addresses!

If you are a fan of outdoor activity, the MIER 100% Waterproof Backpack is worth having! Highest quality thick TPU with tough welded seams that are built to be watertight, it is designed for years usage, tear-proof and rip-proof. 25L after rolling up, big enough with plenty of pockets for everything you need. The pack has comfortable, adjustable shoulder, waist and chest straps. You are even able to adjust the height the backpack rides at. This will ensure you are not top-heavy and give you better stability in rough terrain. Carry it when you go kayaking, boating, fishing, hiking, day traveling, walking, etc. Ideal for every outdoor activity that may involve adverse weather conditions.


  • TPU and nylon fabric
  • 100% Waterproof Backpack ----- Unique High Frequency welded construction, made from heavy TPU and nylon fabric, TOUGH but LIGHTWEIGHT. Roll-top closure, 100% completely waterproof promises to keep your things perfectly dry even if you submerge it into water or floating on the water
  • Tablet/Electronics Compartment ----- Comes with two built-in sleeves for your phone, hard drive, power banks and cables, large for iPad and Kindle
  • Large & Multiple Pockets ----- 1 external front mesh pocket with zipper; 2 zipper pockets on the waist strap are designed to hold your travel cards, ski passes or any other card that you use frequently; 1 mesh water bottle pouch; 1 bungee cord system; 3 sets of daisy chain attachment points
  • Spacious But Easy to Transport ----- Whole bag size:11.5” L x 6.5” W x 27.5” H, 25L capacity. Thick padded backpack strap for comfortable carrying; Extra waist belt and sternum strap help relieve added pressure and easy to adjust for all body sizes. Durable integrated silicone handle for easy take along
  • 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

MIER Waterproof Dry Backpack

Free Shipping On All Orders, No Minimum Purchase.

Delivery Information 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 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, 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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Lightweight Dry Bag Backpack with Side Bottle Pocket
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