Leakproof Lunch Backpack Cooler

$43.99 USD

MIER Insulated Cooler Backpack

MIER cooler backpack has the look of more traditional backpacks but hidden behind that is an exceptional level of cooling ability and innovative design. It comes in a more squared design than many other bags which means that you are able to easily store the contents inside before you head out on your trip. The leakproof PEVA interior lining with 8mm thick padded insulated to give you long-lasting performance. It can hold up to 28 cans so it has a large capacity but even when it’s full, it’s not going to be too heavy to carry on account of the large adjustable shoulder straps plus sternum strap and hip belt which will ensure comfort on your shoulders.


  • MIER cooler backpack interior liner is constructed with 8mm thick thermal wall with heat-welded leakproof PEVA liner built to keep the cold in and the hot out, without worrying about leaking, dripping or any watery spills or mess; Easy to clean
  • This insulated backpack is made of high-density, water-resistant, dust-proof Tarpaulin fabric which is durable enough to stand up to sunlight, dust, water and whatever summer shenanigans you have planned
  • Measuring external size: 11L x 6.3W x 17.7H inch; Interior size: 10.2L x 5.5W x 16.9H inch, holds up to 28 cans (355ml). Only weight: 2.31lbs. 1 surprisingly spacious and deep main compartment with 1 inner zipper mesh pocket, 2 front pockets, 2 side pockets
  • The thick padded shoulder straps plus sternum strap and hip belt to create a tight, low profile fit. Best for Hiking, Camping, Trekking, Beach, Travel, Work, Park, Picnic and other outdoor activities
  • Two-year Limited Manufacturer's Warranty

Product Specifications

  • Holds 28 cans
  • Made of high-density, water-resistant, dust-proof Tarpaulin fabric which is super durable
  • 2-way “MIER” logo zippers with webbing puller provide smoother performance
  • Sturdy "MIER" buckle for longer durability
  • 5 extra pockets for small items storage
  • Exterior size: 11L*6.3W*17.7H inch
  • Interior size: 10.2L*5.5W*16.9H inch
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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.

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

Customer Review

Leakproof Lunch Backpack Cooler
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