Preserva®
Waterproof Oxford Insulated Lunch Bag
Waterproof Oxford Insulated Lunch Bag
Freshness—on repeat
- Designed by Real Meal Preppers
- Prep Once, All week success
Product Overview
Designed for daily commuting, school, picnics, and outdoor use, this Oxford insulated lunch bag offers reliable thermal performance with a lightweight yet durable design. Ideal for storing dumplings, bento boxes, fruits, snacks, and beverages, it keeps food warm or cold while protecting against leaks and splashes.
Key Features
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Thermal Insulation
Helps maintain food temperature, keeping meals warm or drinks cool for hours. -
Waterproof Oxford Fabric
Made from high-quality waterproof Oxford cloth to prevent leaks and protect contents from rain or spills. -
Large Capacity & Smart Shape
Spacious interior easily fits lunch boxes, dumplings, fruits, and beverages without deformation. -
Leak-Resistant & Easy to Carry
Designed for daily use with a practical opening and lightweight structure. -
Modern Minimalist Style
Clean, simple design suitable for office workers, students, and outdoor activities.
Product Specifications
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Product Name: Dumpling Insulated Lunch Bag
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Material: Waterproof Oxford Fabric
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Size:
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Bottom: 25 × 15 cm
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Height: 22 cm
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Top Opening Width: 39 cm
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Weight: Approx. 103g
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Capacity: Large
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Function: Thermal insulation, waterproof, leak-resistant
Application Scenarios
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Office commuting
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School lunches
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Picnic & camping
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Food delivery & takeaway storage
Packaging Information
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Carton Quantity: 150 pcs / carton
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Carton Size: 65 × 50 × 50 cm
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Available Colors: Black / Army Green / Grey / Yellow
REDUCE WASTE AND SAVE MONEY
REDUCE WASTE AND SAVE MONEY
Preserva vacuum seals your food in less than 5 seconds, extends freshness, and pays for itself after just a few uses.
POWERFUL, QUICK & EASY TO USE
POWERFUL, QUICK & EASY TO USE
Simply press the button to start. The device vacuum seals a bag in 5 seconds, containers in 30 seconds and automatically shuts off when done.
MICROSTEEL CONTAINERS
MICROSTEEL CONTAINERS
Lunch-size vacuum containers made in Non-Porous 304 Stainless steel allow you to seal soups, stews, and marinades. The containers are dishwasher, freezer, refrigerator, and microwave-safe.
Build Your Sales Bundle:
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Waterproof Oxford Insulated Lunch Bag
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2h ago
Update: I saved more than $2000 over the past 8 months since i eat out way less. That's roughly $40/week in groceries in the trash, Best purchase of the year!
2
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20h ago
The seal is trustworthy, a few days later and it was still fully sealed. That alone sold me.
43
26 Comments
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42days ago
Good upgrade, meals tasted fresh like same day cooked. No weird fridge smell, no loss of vacuum. feels reliable. another thing about it is that it's microwavable and also stainless steel which makes it much easier to clean
15
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14days ago
I work long hours and usually meal prep on sundays. this container set actually holds up through the week. Not cheap but worth it for me. looks durable and longlasting
7
4 Comments
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97 ago
Does it's job well! Exactly what i hoped for.
126
12 Comments
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Fresh All Week. Here's How.
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Fill
Portion your food into the Preserva Container.
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Seal
one touch extracts the air automatically
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Clip
4-way mechanical locks hold the vacuum all week
Customers Love Preserva
“The mechanical lock gives me confidence the seal won’t drift in the fridge.”
"The vacuum seal holds. We tested it. It works."
"A genuine upgrade for anyone who's ever opened a container mid-week and been disappointed."
"Simple enough to use every Sunday, effective enough to change how you think about meal prep."
Once Sealed, Stay Sealed
When a container isn’t properly sealed, exchanged air brings odors, contaminants, and oxygen that accelerate food breakdown.
Preserva’s Airlock lid creates a controlled, stable environment that keeps food enjoyable longer.
Non-porous steel, no place for bacteria to hide
Plastic’s microscopic scratches quickly turn into permanent bacterial hideouts that's invisible to the naked eye. It speeds up the spoilage process. Preserva uses commercial kitchen–grade stainless steel—non-porous, hygienic, microwave-safe.
One Touch. Done.
Press the Preserva Seal™ once. It extracts air automatically, stops at the optimal vacuum level, and shuts off — no pumping,
no guessing, no re-doing. Clip the lid. Just wait 30 Seconds, done.
Preserva™ Compact Sealer
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Durable
Built with a metal body to stay reliable, delivering up to 120 uses per charge without performance drop-off.
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USB Charging
Easily recharge with any standard USB charger to keep it ready for your weekly meal prep routine.
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Portable
Compact and lightweight, use it to open, reseal, and store with ease anytime you need it.
Preserva
Other Brands
Stable Vacuum-Sealing
Micro-Safe Steel
True airtight
Grocery Shopping
1x/Week
2 or more x/week
Foodwaste
Less
More
Money saved
up to $2000 a year
Less to none
Frequently Asked Questions
Are the containers microwave, oven, or dishwasher safe?
Are the containers microwave, oven, or dishwasher safe?
- Containers (without lids): Safe for microwave, oven, stovetop warming, and dishwasher
- Lids: Dishwasher safe (top rack recommended). Do not microwave or heat lids
Always remove the lid before heating.
How can I track my order?
How can I track my order?
A tracking number, along with order details, will be sent to your email. You can track your orderclick here
How long does battery last?
How long does battery last?
You should be able to vacuum 80-120 times on a single charge
What material are the containers?
What material are the containers?
The containers are crafted from Microwavable 304 stainless steel, chosen for durability, hygiene, and taste neutrality.
Unlike plastic or glass, stainless steel:
- Doesn’t absorb odors
- Doesn’t stain
- Doesn’t retain oils or flavors
- Doesn’t break easily
- Durable, lasts a long time
What if I am not satisfied with the purchase?
What if I am not satisfied with the purchase?
We want to ensure you're 100% satisfied with Preserva. That's why we offer "No Questions Asked"60-Day Money-Back Guarantee.Our return policy lasts 90 days from the day of delivery.
How do I use the Preserva system?
How do I use the Preserva system?
Prepare your meals as you normally would for the week, place them into Preserva containers, and vacuum seal the lid. By removing air before storage, Preserva helps keep your food fresh, flavorful, and protected from drying out or absorbing fridge odors. When you’re ready to eat, simply open and reheat — your meals stay tasting close to day one throughout the week.
Recent Reviews
Best lid I’ve used so far, good size. The seal feels trustworthy every time I close it. Only thing I wish is that Preserva sold extra lids separately — I’d buy another container just to match.
12-18-2025
I’ve been slowly replacing my glass containers and wanted something less heavy and easier to clean. These Preserva containers are much lighter and still feel sturdy. The vacuum seal works well and they fit my daily lunches perfectly.
12-13-2025
Update after a few weeks: be careful opening the clips — they’re tighter than expected. I actually hurt a fingernail trying to pop one open.That said, they stack well, nest nicely, and I do like stainless steel over glass for durability. Sizes run a bit smaller than I imagined.
12-05-2025
Good quality and does what it says. Solid stainless steel, good sealing, and overall well made. I’ve been using them in the fridge and freezer without issues. The vacuum feature works as intended and feels reliable.
11-26-2025
Nice set for meal prep (with minor quirks) These Preserva containers look great and feel substantial without being heavy. I like the clear lids and the vacuum function. They nest well and don’t take much space.One thing to note: food takes a bit longer to reheat, and it cools faster than my old containers. Not a dealbreaker, just a heads up.
11-10-2025
been using these Preserva containers for work lunches. the stainless steel feels solid and the vacuum seal has held up so far. the lid can be a little firm to open, but i’d rather that than leaks. overall happy with them.
11-09-2025