Waterproof Duffle Bag Airtight Dry Backpack

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$98.99 USD

Airtight Dry Backpack

For multiple outdoor activities such as camping, boating, or adventure, this MIER Airtight Dry Backpack is your best choice. Convertible design allows you to own the backpack and duffel at the same time. The webbing straps at the bottom and magic slider slide are easy for you to carry, close, and open. 4 bottoms “D” rings and front chain webbings help you can carry more small equipment. The light & large capacity design will meet your different demands for activities. Durable soft TPU, fully welded seams, and waterproof zippers, this backpack duffel will stick with you through years of adventure.

  • IPX7 Waterproof & Airtight --- MIER dry duffle backpack constructs with durable soft TPU which is abrasion-resistant and ripstop. Fully welded seams and the waterproof zipper work together to keep an airtight seal, make this bag 100% waterproof and protect valuables from water exposure. Easy to clean
  • Multi-functional Design --- The webbing straps at the bottom can be adjusted to carry a mat or fishing rod; The magic slider slide in opposite directions for easy to close or open; 4 bottom “D” rings help you to hold the bag with extra rope, great for motorcycle riders or a road trip; Front chain webbings for attaching small equipment; Additional air valve to eliminate excess air when sealed
  • Versatile Carrying Options --- MIER convertible backpack duffel can be carried as a backpack also a carry-on duffel. Dry backpack for an outdoors trip or on your sport workout as duffel luggage. Adjustable & removable backpack straps can be easily released or installed at a flexibly webbing position; 4 sides grab handles and 1 long padded shoulder strap for your different needs. 1 sternum strap to distribute the load and reduce the pressure on the back
  • Large Capacity but Lightweight --- Whole dimension is 27.5L x 14W x 10H inch with 60L Capacity; Only 3.5 lbs; Large opening and enough room for quick storage; It features 1 large internal mesh pouch and 1 external splash-proof pocket with water-resistant zipper to organize small accessories
  • Perfect Outdoor Companion --- With its high-quality material and practical details make it suitable to use in your adventure life. Perfect for kayaking, water activities, travel, fishing, motorcycle, weekender, boating, etc

Airtight Dry Backpack
Airtight Dry Backpack
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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.


  • 3 to 7 Business Days to the US from US warehouses
  • 7 to 14 Business Days to the Europe
  • 10 to 15 Business Days to Asia and its neighbor countries


  • 1 to 3 business days to the US

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.

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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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Waterproof Duffle Bag Airtight Dry Backpack
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