OZCHIN Smell Proof Backpack With Combination Lock(Gray)

OZCHIN Smell Proof Backpack With Combination Lock(Gray)details

OZCHIN Smell Proof Backpack With Combination Lock(Gray)size details

OZCHIN Smell Proof Backpack With Combination Lock(Gray)liner details

OZCHIN Smell Proof Backpack With Combination Lock(Gray)occasion

OZCHIN Smell Proof Backpack With Combination Lock(Black)

OZCHIN Smell Proof Backpack With Combination Lock(Black)size details

OZCHIN Smell Proof Backpack With Combination Lock(Black)details

OZCHIN Smell Proof Backpack With Combination Lock(Black)liner details

OZCHIN Smell Proof Backpack With Combination Lock(Black)occasion

OZCHIN STASH BAGS & POUCHES

OZCHIN | Smell Proof Backpack with Combination Lock

Name: OZCHIN | Smell Proof Backpack with Combination Lock
Rating: 4.83 (12 reviews)

$34.64

Color - Please select
- Black
- Gray

Free United States Delivery
30-Day Money-Back Guarantee
1 Year Hassle-Free Warranty

2 colors available. Outer dimension: 18.5" H x 13.5" L x 5" W. The 11 inches tablet/pad can easily fit in.
Features a built-in 3-digit combination lock, offering an extra layer of security to keep your belongings safe.
On the outside, it’s all clean lines and simplicity. On the inside, a powerful activated carbon filter system traps every scent — keeping your business yours.
Crafted from durable 5-layer material, ensuring a tight and sturdy construction. It provides reliable protection for your belongings.
Offers a spacious capacity to carry all your daily essentials, making it perfect for commuting, travel, and more.

All orders are shipped from Amazon warehouses and shipped by Amazon as a carrier.
Free US shipping.
Discreet packing

30-Day Money-Back Guarantee
1 Year Hassle-Free Warranty
For more details, please see Returns & Exchanges

【What】is OZCHIN's Effective Odor Control Formula

OZCHIN's odor control bags feature a special activated carbon formula of 1000m²/g, which maximizes odor capture through high-capacity physical adsorption that imitators simply can't match. Activated Carbon Fiber, abbreviated as ACF below, is the third generation of novel porous adsorption materials developed after granular activated carbon. It features a large specific surface area, abundant micropores, and strong adsorption and desorption capabilities. It is hailed as one of the most advanced environmentally friendly materials of the 21st century and is known as "black gold."

【Why】does Activated Carbon Fiber have its unique adsorption properties?

The extraordinary function of ACF lies in its surface being covered with micropores of 0.8-2 nanometers. It has the function of filtering air, and uses "van der Waals forces" to adsorb odor molecules (such as formaldehyde and benzene with molecular diameters of 0.5-0.58 nm) into the micropores, thereby purifying the air. ACF has the characteristics of fast adsorption and desorption. Civil products made of ACF, after reaching adsorption saturation, the material's efficiency can be restored by exposure to sunlight and ventilation, which helps desorb volatile substances. It can be used repeatedly for thousands of times.

【How】 does it capture odors?

A 2021 study (Source: https://pubs.acs.org/doi/10.1021/acsomega.1c04196) found that the smell of the Green Leaves is actually caused by a sulfur compound called 3-methyl-2-butene-1-thiol (VSC3). Its structure is very similar to the chemicals in skunk secretions, and it can be smelled even at extremely low concentrations. The physical size of these odor molecules is extremely small, usually between 0.5 and 1 nanometer (nm). This is why simply wrapping Green Leaves in a plastic bag makes it difficult to completely isolate its smell—the molecules permeate through the micropores of the polymer. When odor molecules (such as terpenes or sulfides) float into the micropores of these ACF, they generate van der Waals forces with the carbon atoms. Because this force is very effective in tiny spaces, the molecules are firmly "adsorbed" onto the surface of the carbon, thus being effectively trapped and removed from the air.

【Which】will be better among ACF, Granular Activated Carbon, and Bamboo/Wood Charcoal?

ACF is prepared from organic fibers such as viscose fibers, phenolic fibers, polypropylene fibers, and pitch fibers through high-temperature carbonization and activation under an inert gas atmosphere.
Unlike high-performance activated carbons, standard bamboo and wood charcoal often lack a specialized activation process (such as steam or chemical activation). This results in a poorly developed micropore structure and a much smaller specific surface area. Consequently, they reach adsorption saturation in a very short time and lose their adsorption function.
Furthermore, once saturated, these basic charcoals cannot be easily desorbed in a household setting. If not replaced promptly, the trapped pollutants remain in the activated carbon, they can cause secondary pollution in the living space. Therefore, bamboo charcoal and wood charcoal are not ideal adsorbent materials.

【When】is maintenance or replacement needed?

It is recommended to expose the inner liner to sunlight for 2-3 hours every two weeks to trigger desorption and regeneration to maintain optimal performance. Just simply unzip the bag and expose the inside to sunlight. When a noticeable odor persists even after sun exposure, it indicates that the adsorption sites are completely saturated, and replacement is recommended.

Odor Control FAQ

Does it really block smell?

Odor control? Definitely yes. OZCHIN uses 1000m²/g Activated Carbon Fiber (ACF) to physically trap odor molecules instead of just masking them.

Is it safe to use?

Yes. Activated carbon fiber is non-toxic, chemical-free, and widely used in air purification.

What makes OZCHIN different?

High-density Activated Carbon Fiber
Optimized micropore structure
Strong physical adsorption

Imitations use lower-grade carbon or coatings that saturate quickly.

How long does odor control last? Can I refresh it?

With normal use, it lasts years. Performance depends on odor intensity and usage frequency.

Expose the inner liner to sunlight for 2–3 hours every 2 weeks to regenerate adsorption.

If odor remains after sun exposure, the liner is fully saturated and should be replaced.

How do I reset the OZCHIN lock password?

Please check our guidance page, or contact us.

5 stars: 10 (83%)
4 stars: 2 (17%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

Alot of space

I love it! The lock is in a weird spot but for a good reason so it's harder to get to for thieves

Great!! Fits the other two oschin smell proof bags inside of it which is why I got it plus I can add extra stuff in there

Perfect for the price!

Plenty of room to go around and it has the lock inside the back to be discreet. Perfect bag for those trying to hide goods with a certain lingering scent.

Regular backpack size. Zippers are good and smooth even with the double design. Have not tested the smell proof of the other pockets, but the main pocket works very well. Very lowkey. Just looks like a regular bag

I love it perfect for the gym to lock my things in

I love this bag I can’t wait til they upgrade it and make it more durable material and weather proof only thing I can say is that when your in a quiet place and was trying to pick the lock it’s very much possible because it makes a clicking noise once it’s set on the correct number.

Great

Works just as described. Keeps herbs and spice smells from being noticed. Used it daily for about a year until the zipper inevitably broke. If they would upgrade the zipper just a bit they would really have a solid product. That being said, would still recommend

Highly recommend this bag , spacious , I mean if you think it full , try and put something else and you’ll be amazed!! The locks , perfect , easily to change. Easy to work them as well , but someone not knowing it would be throw off. Double zippers ? Absolutely genius!!!. The bag looks very neat and like a regular old book bag. Lots of great pockets and ways organize stuff in the bag. Highly recommend.

Get this bag !!!

Highly recommend this bag , spacious , I mean if you think it full , try and put something else and you'll be amazed!! The locks , perfect , easily to change. Easy to work them as well , but someone not knowing it would be throw off. Double zippers ? Absolutely genius!!!. The bag looks very neat and like a regular old book bag. Lots of great pockets and ways organize stuff in the bag. Highly recommend.

Liked the one so much bought another. I don't use the lock. It is to keep smell out of 2lbs of my sta//sh and does excellent work!

Smell proof enough

I wouldn't say it's a hundred percent smell proof some days if you leave it in your car or an enclosed space you will start to get a scent through the bag but for the most part it does the job. There are plenty of different little compartments inside of the main pocket that makes organizing easy. And the built-in lock is easy to use and easy to set. Overall it is really great for the price if you want something that is going to be 100% smell proof maybe look into spending a little bit more money but if you want something that gets the job done this will do just fine.