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🥗 Expand your lunch game—because your meals deserve more space and style!
The MIER Expandable Small Lunch Box is a sleek, versatile insulated tote that expands from a compact 8"x4"x10" to a spacious 8"x6.7"x10", fitting up to 9 cans. Designed with thick thermal insulation and heat-welded seams, it keeps food cold for hours and prevents leaks when carried flat. Featuring multiple compartments, heavy-duty zippers, reinforced stitching, and multiple carrying options including padded handles and an adjustable shoulder strap, this durable polyester lunch box is perfect for work, school, or travel. Backed by a 2-year warranty and highly rated by thousands, it’s the smart choice for professionals and families alike.

| Additional Features | Expandable, Water Bottle Holder |
| Age Range Description | Adult, Youth, Kid |
| Asin | B07T13TZHW |
| Best Sellers Rank | #4,241 in Kitchen & Dining (See Top 100 in Kitchen & Dining) #66 in Reusable Lunch Bags |
| Brand Name | MIER |
| Capacity | 9 liters |
| Closure Type | Zipper |
| Color | Gray |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,182) 4.6 out of 5 stars |
| Item Dimensions D X W X H | 6.7"D x 8"W x 6.7"H |
| Item Dimensions L X W X H | 10"L x 8"W x 6.7"H |
| Item Form | Bag |
| Item Weight | 10.24 ounces |
| Manufacturer | MIER |
| Manufacturer Warranty Description | 2 year manufacturer |
| Material Type | Polyester |
| Number Of Compartments | 3 |
| Number Of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Travel |
| Shape | Rectangular |
| Style Name | Modern |
| Theme | Work, School, Picnic |
User
Nice quality
This is a great expandable lunch option. Once unzipped, it holds quite a lot. I usually use Bento containers inside and still have room to fit a juice bottle or bottled water inside even though there is a beverage pouch on the outside. You can easily accommodate ice pad. The design is nice, especially for a young man that is no longer in the teens but is not ready to commit to being a full grown adult. LOL it has compartments on the inside to store silverware or napkins and I think it has an outside zipper pack pouch as well. It was a great Buy.
User
Sturdy and spacious with nice masculine look.
I bought this lunch bag for my son for work and it works perfectly!!! I love the masculine appearance and it kind of resembles a toolbox style. I wanted to make sure the lunchbox was a right fit for my son who works in the trades and this one seems to do the job. I would definitely recommend this bag. Also has an extension on the bottom of the lunch bag so there is plenty of room.
User
Awesome Lunchbox!
This is the perfect lunchbox! It expands to hold larger containers when you need the room, and also collapses when you store it. It's keeps the ice packs cold thru the day which is great for high school!
User
How would you carry this?
3.5 stars. Rounded up because I may be too picky.Overall, it does its job well. My only qualm with its configuration. The drink pouch is, in my opinion, going the wrong way direction. I have to assume that most people will carry the lunch box with the top handle, horizontally, like lunches have been carried since ALWAYS!To make use of the drink pouch, you have to open the lunch box like you would a door, pile everything in there and close it like a door. You the have to zip it up, and this is made difficult because the zipper going along the part resting against the table or counter is resting against the table or counter!Love the colors though. I went black/green.
User
Exceptional cooler great price keeps things cold good value bad shipping
I will only eat the food that comes from home as I'm extremely picky and I work all day. I appreciate the collapsibility and expansion of this lunch box as I sometimes pack more and sometimes a pack less food that is provided to my wife the cooks for me. Lunch box provides adequate space and the construction of the lunch box holds my food cold or warm until I'm ready to eat it .I love the color sequence of the lunch box. Affordability for the lunch box is awesome the shipping was so fast. Great value for the money. lots of pocket the spices and forks and a drink. In conclusion I'll probably buy another one just for vacations.
User
Great quality lunchbox
This is used used on a daily bases for carrying lunch in my house. It holds a bentgo brand box very well (with room to spare). It handles being cleaned in a washing machine very well (I have washed it twice and air dried it). So far, the zippers and drink mesh side holds up very well. I love the color combo as well.
User
I love this lunch bag
I have used various and similar lunch bags, trust me this is the best. The look and feel of the bag justifies the price. At first, I thought it's pricey but my experience from the first site of the bag until date is cool. I'll buy this product again and again. The lunch bag is classy and suits all occasions
User
Great Little big cooler
Need a lunch bag that will do a lot of things? This is it. The accordion zipper really sets this guy apart. It goes from a slim pouch for a TV dinner to a box for a meal, drinks and snacks. It holds a 1qt drink bottle in its pouch and is padded for electronics and a camera so it can pull double duty. You can feed two people out of it with a drink each. Or easily get a 6pack and cold packs to keep them that way all day. Lots of d rings for rigging jt different ways. It’s very versatile and well constructed. When you don’t need the bulk of a 14L cooler this is a great alternative.
User
Muy bien
Ya tiene tiempo que la he usado y sigue como nueva, nada que una limpieza ligera no solucione. Ha salido muy bien
User
Functional with poor internal design and unattractive bottle pocket
Mostly functional, but poor design inside, hard to clean with bulky plastic material. This looked good and functional when I ordered, did not expect the inside design would be poorly made.In the second note, water bottle mess is too big and flimsy design, quite regrettable!With these design rectified, this would deserve 4.5 star rating!
User
Awesome Lunchbag
Great lunch bag. Major upgrade from the hard sided cooler I have used for the past few years. The bottle pocket holds my 32oz stainless steel nalgene bottle and there is more than enough room for my lunch and snacks for a 10 hour shift. The only way this could be improved is if there was a little slot in the bottle holder to allow a coffee mug handle to slip through.
User
Light weight spacious
School Lunch box is very useful and can accommodate big box along with small containers too. There is a separate pouch for spoons too. Recommendable 👍
User
lo recomiendo
de tamaño perfecto; buen material, suave, resistente y el tamaño es ajustable;
Trustpilot
5 days ago
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