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1. totobobo
Q-doc-10-9005-0025
- Totobobo mask is the first in the world that can be customized and fit both children and adult.
- Totobobo mask has been tested effective in Prince of Walse Hospital in Hong Kong.
- Totobobo filter has been tested effective by Nelson Labs, USA.
- Totobobo mask has not been certified by NIOSH.
Totobobo mask
Say No to Bad Air!

2. totobobo
Q-doc-10-9005-0025
Dr Richard Saint Cyr, China
I think Totobobo is a good and affordable option for people. A 135-
fold drop in pollution is very impressive; even on an emergency
day with the AQI over 500, the mask would bring your air to
WHO-safe levels.
The best test is always a real world scenario, as a proper snug fit
around the edges is crucial. And since this blog is an evidence-
based blog, there actually is one well-designed study published,
a randomized controlled trial of Totobobo versus a proper N95
mask... with those real-world results above, the mask reduced
particles 135-fold. which is actually very impressive, and a lot
better than some other reviewed (unnamed) cycling masks.
I tried it around town for a bit, and the overall comfort is good. It
definitely is less awkward-looking than the typical N95 with ex-
halation valves. I was pleasantly surprised with the seal and that
my glasses didn’t fog up.. I didn’t do any fancy techinical testing
with it, but on a bad, smelly day I put on the mask and instantly
could no longer smell that pollution.
Also, there are a few other real-world advantages:
- It’s not totally uncool-looking
- It’s reusable and washable, and it’s easy to carry in a pouch (pro-
vided by them)
- There are kids sizes
- You can quickly cut the mask to fit better
- The masks and filter refills are very reasonably priced
URL
http://www.myhealthbeijing.com/2010/09/pollution-masks-which-
are-best/

3. totobobo
Q-doc-10-9005-0025
Dr. Anil Simhadri, London, UK
I am a doctor /physician in the UK at UCL, and bike daily in
london to work using totobobo mask. I also suffer from
asthma using a ventolin inhaler. I have been using toto-
bobo masks since feb 2010 when I placed my first order
and find them very useful. My cycling performance with
regard to speed of cycling has improved. Previously I
might cycle 6 miles in 1 hour. Now I cycle 6 miles in 50
minutes. The mask helps improve my control of asthma.
Asthma is a disease of airway hyper-responsivesness. The
tracheal airways are hyper-responsive to various triggers.
Pollutants in the air as in inner city london can trigger the
airways to constrict or narrow. Totobobo masks prevent
these pollutants reaching the airways and so help remove
the trigger for asthma. (http://tinyurl.com/mry7gp6)
Toto Sugito, President, Bike2Work
The founder of the 10,000 members B2W group, Indonesia, on TV wearing Totobobo mask and
talking about air pollution challenge while cycling in Jakartar traffic.
“My bike commute has extended to about
25 miles each day, about 50 minutes to an
hour each way. I have been wearing my
Totobobo SuperCool mask daily. I’m still
very pleased with the performance and ease
of use. I feel somewhat exposed when I bike
without it actually.”(http://tinyurl.com/nfnw7t7)
Ross, USA
Lawyer, bicycle rights advocate, daily bike commuter

4. totobobo
Q-doc-10-9005-0025
Totobobo mask comes in adult size. It can
be cut smaller to fit smaller face sizes,
down to 5 years old and for some even
younger.
Cut to Fit (to fit your face size)
UniFIT system (for better protection)
The TotoSoft material has been improved
and can be “moulded” with heat treatment.
It helps to fine tune the fitting in area such
as the nose bridge.
ReShape (fine tune the fit around your nose)
It is easy to ensure good fit by observaing through the
transparent face mask. Compares to typical “Blow,
suck and feel” method, the Visual Seal Check (VSC)
improve user seal check accuracy from typical 75% to
over 90%.
FitCheck (ensure fit and protection)

5. totobobo
Q-doc-10-9005-0025
The lightweight Totobobo mask is designed to fit
with very low tension force. There is no need to
pull the strap very tight. The TotoSoft material is
comfortable to touch and the ultra elastic straps/
earloops are very soft and comfortable even after
wearing for a long time.
Breathing through the Totobobo filter is so easy
that sometimes users forgot that they were wear-
ing a mask! Ordinary facemasks quickly get
warm, moist and uncomfortable. The filter of
Totobobo mask does not touch the face keeping it
relatively dry and comforatble.
Comfort
User friendly features
When not in use, the mask can be fold flat and
to be carried in a shirt pocket.
Totobobo is the lightest (20g), thinnest
(18mm) and most compact reusable respirator
available. Making it the most portable option
in the market.
Portable
Totobobo mask is embedded with BioCote Silver
ion. The silver ion helps to keep any virus or bateria
at bay. Reuse is more hygienic and safe because any
microbials will be slowly killed when in contact with
the hightech material. The anti-microbial effect last as
long as the mask.
Reuse /anti-virus

6. totobobo
Q-doc-10-9005-0025
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1
2
3
4
5
Follow the simple step-by-step guide to trim
your mask to fit smaller face.
If the exact final size is not confirmed, trim
the mask one rim at a time. Test and check if
the mask fits the user. Trim again if it is too
big.
*Before cutting the real mask, download the
“Totobobo mask simulator”, test the cut with
the paper dummy until you are confident of
which size to cut to.
Download link:
http://totobobo.com/download/Totobobo-
mask-simulator.pdf
Cut to FIT - cut it to your face size

7. totobobo
Q-doc-10-9005-0025
Some disposable mask has a metal nose clip to improve the fitting around the nose bridge area.
However the metal clip tend to break after a few times of use. This is not acceptable for a reusable
mask. We believe the new “moulding” feature is more comfortable and more robust.
Comfort and Fit
If a mask is shaped to follow the contour of the face closely, you don’t need to pull the strap very
tight to make a good seal. A less tight strap means more comfortable wear for a longer time. Our
TotoSoft material has been upgraded and you can make use of the following steps to “mould” the
mask so that it follows the profile of the user’s face closely:
(1) remove the filters from the mask
(2) prepare a bowl of hot water (70~80ºC)
(3) dip the mask into the hot water for a minute until the mask soften, including the part near the
nose bridge.(Photo)
(4) remove the mask from the hot water, use both hand to shape both side of the nose area such
that it form a stronger “inward band”.
(5) hold the mask with the shape in position, wait a few minutes until it cools down, or rinse the
mask under cold water to “freeze” the new shape. (Photo)
(7) test the fit with the new shape.
You can mould the mask many times with this method to optimize the fit.
Once moulded, the mask will “remember” the shape for a long time, even if you pack it flat.
ReShape - better fit around nose bridge
3
5

8. totobobo
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Prince of Walse Hospital, Hong Kong
Scientific tests
To validate the effectiveness of Totobobo mask, we sent the
masks to the Prince of Wales Hospital in Hong Kong to be
tested by professional fit-test facilities. The test report was
published in the Journal of Hospital Infection. The objec-
tive of the test was to compare the efficacy of Totobobo
aganst N95 masks (3M 1860 or 1860S or 1862). The test
was conducted on 22 healthy volunteers.
All test subjects have previously passed fit-test of N-95
mask but all are first time trying the Totobobo mask. The
key findings are:
• The pass rate (filtration factor 100) of Totobobo mask
was comparable to the fit-tested N-95 mask (~75%). How-
ever, the qualitfied protection level of Totobobo (135) is not
as high as N-95 mask (193).
• 65% subjects preferred the comfort of Totobobo mask
over their fitted tested N95 masks, comfort is an important
factor when come to indivicual safety compliance.
• Previous studies shown majority of (N95) masks fit less
than 40% of the test population, while in this test Totobobo
was fitting 75% of the test population.

9. totobobo
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Scientific tests
Nelson Labs is a highly reputable testing Laboratory in USA. It is recommended by NOISH for
N95 respirator qualification test. The result of the lab test indicates that totobobo 96% filter is very
effective (99.85%) against very fine particles of 0.1 micron
Filter test (Nelson Labs, USA)

10. totobobo
Q-doc-10-9005-0025
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FAQ - Totobobo mask
Why mask fitting is important?
A good fitting mask ensure all the air go through the filter before entering the
breathing zone. Modern technology produces high quality filter competently, but
obtaining and validating a good face-seal remains a challenge for many facemasks
available in the market.
How to ensure Totobobo mask fits my face?
There are 3 easy steps to optimize the mask-to-face-fit:
1) Sizing: Totobobo mask come in standard size fitting most adult. You can cut it
smaller to fit smaller faces. Use the “Totobobo mask simulator” test the cut before
cutting the real mask.
2) Check the seal: Observe through the transparent body of Totobobo mask
to check if a continous mask-to-face seal completed around the nose and mouth.
Adjust the mask up or down to see if you can further optimize the seal.
3) If necessary fine tune the fit using our “moulding” method (pg.5). This will help
to eliminate small gaps such as around the nose bridge.
The Strap/earloop looks very thin, will they
break easily?
Totobobo elastic headstrap and earloop is very elastic and soft. This property helps
to produce a comfortable wear. It can be extended to 4 times the original length and
tested for 8000 times operation. It should not break easily.
How to clean, and store the mask?
Remove filter cap before cleaning. Clean respirator and filter lock cap with soap or
neutral detergent. Rinse in fresh water and air dry in non-contaminated atmosphere.
Cleaned respirator should be stored away in clean and dry enviroment. Avoid expo-
sure to solvent or UV ligh

11. totobobo
Q-doc-10-9005-0025
“My nose bridge is a bit high so there are gaps
on both side of the nose. It tends to seal after a
while but exhaling strongly breaks the seal.”
First of all, air leak during exhale improve comfort, and does not affects protection. In fact this is
the function of a one-way valve do- let the air out quickly during exhale, to improve comfort.
If air coming out from the nose bridge fogging up glasses or goggle, you can adjust the earloop
/headstrap such that the upper part of the mask is fitting a little tighter than the lower part (chin).
As you exhale, close your mouth and the air should come out quickly under your chin because
now there is a bigger gap there (this will help to drastically reduce water condensation too). As
you inhale, open your mouth slightly and the seal below the chin is tighten.
Further more, - the material of Totobobo mask is “moldable” and can be shaped to better fit your
nose bridge. (Pg.5)
“How can I reduce the water condensation inside
the mask?”
Reduce exhaled moisture:
Water condensation is mainly due to moisture contains in the exhalse air. Moisture content of ex-
hale air from the mouth is much higher than those from the nose. To reduce condensation, exhale
using the nose.
One-way-value effect:
Another point, adjust the strap so that the whole mask function like a one-way-valve. If the strap
is not very tight, the seal between the mask and the face will be broken by the positive pressure
within the mask due to exhalation. Moisture and air will be release quickly and little time for con-
densation to happen. When you inhale, the negative press within the mask will “suck” the mask
and close the seals.
Wipe it clean and dry:
Lastly, since Totobobo mask is a plastic shell, water condensation can be easily wipe dry with a
piece of tissue or cloth. Cloth mask or other material will take a long time before the mask can be
dry and ready for use again.
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FAQ- Totobobo Mask

12. totobobo
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FAQ - Totobobo filter
What are the differences between F96, F94 and F92
filters?
All Totobobo filters are interchangeable with all versions of Totobobo mask (Headstrap, earloop
and SuperCool). All three types of filters (F96, F94, F92) consist of 3-dimensional structure
and provides low breathing resistant with high filtration efficiency. The filter-fibers contains
electro-static charges and is highly effective to trap fine dusts and particles down to 0.1 micron.
Totobobo filters are suitable for blocking airborne pathogens such as virus and bacteria, as well
as fine particles such as PM2.5.
1mm
100
10
1 micron
0.1
0.01
0.001
Hair
VirusesDustMite
CementDust
Tobaccosmoke
CarSmog
Pollen
Bacteria
Particlesize
PM2.5
F96 filter
Extra high level of protection yet easier to
breath than typical N95 filter. 96 % filter
is our highest performance filter.
F94 filter
Easy to breathe while maintaining high level
of protection. This is the best general
purpose filter.
F92 filter
Most economic, value for money option.
Sufficient efficiency for everyday use.
How long does the filter last?
The effective usage time of the filter depends on environment and usage factors. These factors
various due to location and environment. For anti-pollution purpose, the filters should be
changed when it turns grey (picture).
However, filter should not be used for longer than 14 days, even if it has not changed to greg
color. Filters kept in the ziplock bag can be store for 2 years. Do not mix used filter with new
filters, this will degrade the performance of the new filters.
Totobobo particle chart

13. totobobo
Q-doc-10-9005-0025
Target users: Male, female and children (5 years old and above)
Fitting system:
- Sizing: Cut to size
- Detail fitting: Mouldable TotoSoft+ material
- Seal check method: VSC Visual seal check
Total weight (including filters) 20 grams
Anti-microbial: Silver ion (Ag+) anti-microbial agent embedded in mask
Mask
Dimensions (folded): 150mm X 80mm X 18mm
Material: Custom blend Polymer (TotoSoft+)
Anti microbial agent: Ag+ (BioCote)
Moulding temperature: 70-80 C
Working temperature: -5 to 40 C
Filter
Dimension: 50mm X 50mm
Thickness: Approximately 2.5mm
Material: Non-woven fiber
Filtration efficiency: Selection of 94%/ 96% /99%* (at 0.3 micron, MPPS)
Air flow resistance: 9 Pa (air pressure) @ 8cm/s
Electrostatic charge: Positive and negative embedded
Strap
Elasticity: 4.5 times initial length, over 8000 times
Thickness: 0.18mm
Material: Elastomer
Resistant against: Perspiration, oil, water, sea water, lactic acid, cosmetics,
general solvent, etc
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Fact Sheet