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4 Layer Reusable Bamboo Face Mask with PM 2.5 Filters


Washable 4 layer reusable bamboo face mask with filter for adults, non-medical grade. The fabric face masks are developed in accordance to World Health Organisation guidelines and AFNOR specifications.

  • Unique fabrication from premium quality, certified bamboo, RPET and bio-based elastane. Developed in accordance with WHO face masks advice with hydrophobic outer layer and hydrophilic inner layer.
  • Double filtration media from nonwoven organic bamboo and tencel
  • Machine washable at 60°C and guaranteed to last at 30+ washes. Can be tumble dried
  • Masks are unisex, designed to fit both male and female
  • Adjustable ties and nose bridge
  • 100% hypoallergenic and antibacterial
  • Sensitive-skin friendly, no irritation with prolonged wear
  • Mask can be comfortably worn for 8h, but official guidelines recommend alternating the mask every 4h of wear. We recommend washing after every wear or when mask gets visually dirty
  • Very breathable with thermal/cooling properties
  • More environmentally-friendly and sustainable alternative to cotton face masks
  • 2x PM 2.5 filters included with each mask for extra 5 layers of carbon active protection (recommended for high-risk environments). The 4 layer reusable bamboo face mask can be safely worn without filters as well. Filters are not washable, should be replaced every full 24h of use. Purchase additional filters here.
  • Masks measure approx 16.5cm x 22cm and are designed to fit majority S-L faces. XL-XXL versions of this mask (developed to also be beard-friendly) available here. For kids size click here.
  • B2B/Corporate contracts available. Please email or contact us here for bulk discount
  • Our 4 layer reusable bamboo face masks are always made to order and produced in our own green London studio
Let's be social!
Help spread awareness of the importance of wearing a face mask in public by sharing a photo of your purchase. Tag ADKN (@adknuk) and use #safewithADKN and receive a discount code for your next purchase.


Made to order.

The environmental contribution with the purchase of a single reusable bamboo face mask (approximate):
800 liters of water saved
0.7 kg of CO2 reduced
2.8 Kwh saved
1.2 2L post-consumer PET bottles recycled
Wear it proud and stay safe!

P.S. In our attempt to reduce packaging we will package 2-3 masks per each individual bag, depending on order quantity. If you require each mask to come in separate packaging, please contact us after placing the order.

Details and Fit

Perfect Fit and Comfort Every Time #SafeWithADKN

Our reusable bamboo face mask is the perfect size for both men and women and ensures a snug fit as a result of the adjustable nose bridge and adjustable elastic ear loops. Snug fit ensures very little to no misting on glasses

  • Antibacterial; inhibits the growth of bacteria
  • No chemicals used in the production of the fabric
  • Composition: 70% bamboo, 17% RPET, 10% Tencel and 3% Bio-based Spandex cloth (disregard packaging composition as it reflects an outdated version of this product - we just don't like waste so we're reusing the bags :) )
  • Responsibly sourced and ethically produced in our own green studio in London and in partner factories

PLEASE NOTE:  No returns are accepted on this item for obvious hygiene reasons. 

Truth Behind the Price
Figures below reflect production cost per individual mask and differ slightly for bulk orders. Please enquire.

Research, Design, Patterns and Prototypes
Research; Designing concept; Sourcing of materials; Approval of suppliers; Pattern drafting; First prototypes; Fittings and amendments
Materials & Accessories; Shipping and Customs
Mix of bamboo and RPET inner and outer layer; bamboo and tencel double inner filter media; Recycled PET thread; Carbon-efficient shipping of materials; Custom duties; Forwarder and carbon-neutral logistics fees
First samples with final material; Fitting and amendments; Final fitting; Production of masks; Quality check; High ethical and safety standards; Top-notch energy efficient machines and technology; Fair wages
Packaging and Shipping
100% recycled PET shipping bags; All packaging is 100% recyclable. Delivered carbon-neutral or otherwise offset.
Total Transparent Production Cost for Bamboo reusable mask
without valve: £8.8
with valve: £9.8


The masks are made from a mix of bamboo and RPET cloth fabric (hydrophilic inner and hydrophobic outer layer) and double filtration media (bamboo and tencel), a better and more environmentally-friendly alternative to traditional cotton face masks. Our unique design and technology ensures the masks are very breathable, water and splash resistant, hypoallergenic and antibacterial, inhibiting the growth of bacteria and minimising the risk of irritation on sensitive skin with prolonged wear. Our bamboo is specifically designed to have high thermal properties which means the masks will keep you cool and comfortable. The valve increases the breathability factor and reduces condensation that would form from breathing. 

4 Layer Unique Design - Sensitive Skin Friendly

Uniquely developed blend of bamboo, RPET and tencel. A very breathable reusable mask with a water-resistant outer layer, a double filter and a water resistant inner layer. 100% chemical-free, antibacterial and hypoallergenic fabrication.

- high breathability factor and O2 intake of 100% with mask on
- no fromaldehyde nor decomposable carcinogenic arylamine dye detectable
- latex and nickel free
- pH 6.7 and odourless fabrication
- overall fastness (washing, rubbing, light, saliva, perspiration) 4-5
- valve (optional) is situated inside the pocket (under the inner water-absorbent layer) and has an extra inner filter to ensure all air exhaled is still filtered. Valve helps reduce condensation

High Thermal Properties

Our reusable face masks are designed to have high thermal qualities, meaning they'll keep you cool and comfortable.

Complimentary Extra Filters

Each mask comes with 2 PM 2.5 filters (carbon-activated). These filters are not washable and should be replaced every 2 weeks or sooner if used for longer periods of time at once (16-24 hours).

Our unique 4 Layer fabrication ensures the masks are efficient on their own and we recommend the PM 2.5 filters to be used when in a high-risk environment. 

The filters come in a separate package and can easily be inserted into the mask when needed, fitting snugly yet comfortably inside the special pocket.

Ethically Sourced and Produced

Reusable face masks produced in our own green studio in London, UK following strict ethical and sustainable standards.

All masks are sustainably  made to order in true slow fashion style to avoid resource waste. The environmental contribution with the purchase of a single mask (approximate):
- 800 liters of water saved
- 0.7 kg of CO2 reduced
- 2.8 Kwh saved
- 1.2 2L post-consumer PET bottles recycled

Best practice while wearing this (or any mask) according to European guidelines:

- Store in an air-tight bag/container
- Do not share masks
- Masks should not be worn for longer than 4 hours at a time; alternate masks if longer wear is required

- Wash hands with soap and warm water before touching the mask

- Make sure the mask fits tightly around your face, do not leave any gaps. Tighten the ties and adjust nose bridge
- Avoid touching your face even if you are wearing a mask and try not to fiddle with the mask once it's on

From all of us at ADKN, please stay safe and make sure all your loved ones are healthy and safe. Together we can make it through!