OWBS-K4-A 110V Washable Waterproof Slim Water Mat + Boiler Set for Overseas Use

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Creating Perfect Warmth with a Different Level of Technology

Recommended for These People!

  • Those who want to use the heating mat by unplugging it easily
  • Those who find regular heating mats too thick and difficult to store
  • Those who are concerned about house dust mites
  • Those who want the mat to be waterproof due to having children
  • Those who want to use it overseas as well

Premium Washable Waterproof Slim Heating Mat
Overseas Use OWBS-K King (For 2 People)

Product Information

Category: Overseas use washable waterproof slim heating mat

Model Name: OWBS-K

Weight: 5 Kg

Rated Voltage / Power Consumption: AC 100 ~ 220V / 50 ~ 60Hz, 502W (shipped according to the voltage of the destination country)

Mat Size: 1800 x 1800 x 4mm

Water Tank Capacity: 550 ml

Boiler Size: 290 x 210 x 130 mm / 1.5 Kg

Operating Method: Digital natural circulation eco system (no motor)

Electric Safety Certification Number: XH070357-17002G

Broadcasting Communication Type Approval Number: MSIP-REM-Ons-BTM502S-JD02

EMF Certification Number: EMF-2019-00102

Manufacturer / Country: Human i & D / Republic of Korea

This product is shipped with the plug in the left image for overseas heating boilers.
The adapter (plug) suitable for each country must be separately purchased by the customer.
(Voltage is shipped according to the country of use)

Reasons Why Onsunuri Washable Waterproof Slim Heating Mat is Special!

  • 01. WATERPROOF - Waterproof standard with water pressure resistance of 1500mm
  • 02. WASHABLE - Washing machine safe heating mat
  • 03. SILICONE HOSE - Excellent heat resistance & non-toxic material
  • 04. LIGHT & SLIM - Thin and light weight for easy storage and transport
  • 05. SAFE - 11 safety systems & safe from radon and electromagnetic waves

"Genuine Washable Heating Mat" Onsunuri Washable Waterproof Slim Heating Mat

Comparison of Generations:

  • 1st Gen Cushion Type: Hose - Heating hose, Storage - Difficult, Washing - No, Waterproof - No, Overseas use - 110V exclusive
  • 2nd Gen Extra Slim: Hose - Special pressure fitting without hose, Storage - Foldable, Washing - No, Waterproof - Everyday waterproof, Overseas use - 110V ~ 240V
  • 3rd Gen Washable Waterproof Slim: Hose - Silicone hose, Storage - Foldable, Washing - Machine washable, Waterproof - Perfect waterproof standard, Overseas use - 110V ~ 240V, Double-sided use possible

Washable is basic, fully waterproof while sleeping for comfort! Slim for easy storage!

Daily used like bedding... Have you used a non-washable heating mat that gets sticky from sweat and pollution but cannot be washed?

Onsunuri washable waterproof slim heating mat is a premium heating mat with perfect waterproofing, 8 layers of tight structure so you can trust it inside, and with final thorough washing for safety.
It can also be folded slimly for easy storage, making overseas shipping cost cheaper than traditional cushion mats.

Material Composition and Layer Description

  • 1. Nylon 201T Ripstop Fabric
  • 2. Air Hole (6.0 oz)
  • 3. Non-woven fabric
  • 4. 100% Poly Microfiber + Silicon Hose
  • 5. Silicon Hose
  • 6. Non-woven fabric
  • 7. Air Hole (4.0 oz)
  • 8. 100% Polyester 186T Waterproof Fabric

Description: Made of special fabric waterproof to a water pressure of 1500mm, blocking fine dust and house dust mite infiltration.
Eco-friendly air holes certified in Europe improve cushioning and retention; ultrasound quilting enhances resilience and secures hose tightly.
Silicone hose has excellent heat resistance and reduces condensation; the bottom fabric blocks heat leakage and prevents dust and allergen penetration.

01. Complete Waterproof on Both Sides

The outer side is made of nylon ripstop waterproof fabric (100% domestic) with water pressure resistance of 1500mm, capable of withstanding heavy rain.
Uses denser 210T fabric with PU coating applied twice to increase elasticity and waterproofing.
The backing side is 100% polyester 186T fabric with PU coating on both sides for complete waterproofing.

What is Ripstop Fabric?
A fabric woven with thick yarns at regular intervals to increase tensile strength, used in outdoor gear, uniforms, and equipment due to durability and water resistance.

Test Report: Ripstop Fabric Water Resistance 1500mm - Document number: 8AFA-7TB-YPFR (FITI Testing Research Institute)

Protects even if children accidentally wet the mat while sleeping - Entire mat washable!

02. More Comfortable with Daily Use, Entire Mat Machine Washable!

Not just the fabric certified by FITI but the only heating mat fully certified by KTL as complete product.

Test results show highest temperature time after 5 washes, temperature difference test left/right, abrasion resistance, and dripping test all passed.

Check Point: The only heating mat fully certified by KTL with no harmful bonding or artificial fiber used, using superior air hole fabric enabling complete washable certification.

Even with crumbs or spilled drinks, no problem!

How to Wash

Used daily like bedding but not washable, causing reluctance?
Even if the heating mat gets dirty, no problem.
Can be cleaned easily by putting the entire mat into the washing machine without needing to wash the cover — easy to maintain.

  1. Fold the mat: Fold the heating mat hose end with the waterproof cover inside.
  2. Put into laundry bag: Place well-folded heating mat into laundry bag.
  3. Use normal & natural drying: Wash in normal cycle and air dry, no dryer usage.

What Are House Dust Mites?

Microscopic allergens (0.1–0.3 mm) that are invisible but major cause of allergies like asthma, rhinitis, atopic dermatitis.

Heat retention is excellent, special waterproof fabric prevents sweat absorption and sticking, air hole fabric ensures breathability to block mite colonization.
The mat can be machine washed for sanitary use.

Warning: Use laundry bags for washing to prevent damage.

03. Silicone Hose to Reduce Condensation and Safe for Humans

Instead of a motorized hose, first in industry made with silicone hose, FDA approved, RoHS (SGS) certified.
Non-toxic original Korean silicon hose used in medical and baby equipment with excellent heat resistance.
(Most other mats use PVC heated hoses)
The hose is soft and reduces condensation with excellent insulation, providing a gentle contact for the body.

Certifications

  • US FDA SGS Test – Tested for 6 major halogens, 8 phthalates, antimony, and MCCP
  • SGS Safety Test – SVHC (hazardous substances) hazard evaluation

04. Light and Thin for Easy Folding and Storage

Eco-friendly European mark air hole fabric is widely used as lightweight warm material for quilts.
The air hole fabric is a charged tunnel structure for fast circulation and breathability making it light but resilient with rapid heat and air flow.
Ultrasonic quilting raises internal integrity and prevents fine dust between air holes.

Onsunuri washable heating mat folds smaller than a blanket and is lightweight for easy transport.
Can be machine washed for long-term use without burden.

OEKO-TEX certified - Quality certification for fiber and animal environment in Europe and Japan.
OEKO-TEX STANDARD 100 passed (tested for harmful substances in fabrics)

Store folded in wardrobe or storage box when not in use.

Light and thin weight for easy storage, movement, washing and drying.

05. Washable Slim Heating Mat is Safe!

Still worried about safety?
If worried about radon or harmful substances, electromagnetic waves or fire, choose washable slim heating mat.
It delivers heat with warm water, not electric heating wire, making it safer from electromagnetic waves.

Test results show indoor radon levels are 34.5% lower than recommended standard,
safe to use.

Electric field below 10 - Safe Level

Certificates and Listings

  • Safety Confirmation Certificate (No. XH070357-17001F) – Korea Testing Laboratory
  • EMF Environment Certification (No. EMF-2019-00101) – Korea Testing Laboratory
  • Communication Equipment Appropriate Registration (No. MSIP-REM-ONS-BTM501S-JD03) – National Radio Research Agency
  • Quality Certification (No. G158-2019-043) – Korea Testing Laboratory

Safe, Warm, and Cozy Washable Waterproof Slim Heating Mat

Onsunuri Heating Boiler Comparison

Natural Circulation Heating Boiler vs. Electric Heating Boiler

Natural Circulation Heating Boiler Electric Heating Boiler
Operation Method Water circulates by pressure from heat without motor BLDC motor dual indirect heating for fast and strong heating circulating warm water hose
Size 290 x 210 x 130 mm 160 x 210 x 110 mm
Weight 1.5 kg 1.4 kg
Voltage AC 220V 60HZ (Overseas use 110V ~ 240V, 50/60Hz) AC 220V 60HZ (Overseas use 110V only)
Power Consumption 251W (Separate heating 502W) 350W
Water Tank Capacity 550 ml 400 ml
Noise Almost no sound (no motor) Small noise when motor runs

Customer Satisfaction through Quality, Price & Environment = Customer Delight

Onsunuri is a rational and efficient company striving to make the best products with customer trust.
We have acquired ISO certification and keep making efforts to position our product as a global heating mat preferred overseas.

Quality Certification (Q-Mark) Designation for excellent products that customers can trust.

What is ISO Certification?
International standard proving Korean products comply with global standards. It guarantees quality and eco-friendly management.

Onsunuri History:
Professional Heating Mat Company, Onsunuri

Onsunuri started with customer feedback for rational pricing and quality.
The brand ensures safe materials and reasonable pricing, reflecting customer perspectives.

6 years consecutive heating mat brand selection in major newspapers and media.

FAQ: Please check before purchasing!

  1. Error showing insufficient water when first turned on? When using the heating mat first, please turn on power with hose connected but without water, then gradually add water. Approx. 1 to 1.3 liters circulates in the mat and boiler.
  2. Should the heating boiler be used at the same height as the mat? It is recommended to place the mat and boiler on the same level or boiler below the mat to prevent hose kinking.
  3. Is the mat warm only when lying down? Should I cover the mat? Recommended to cover with thin blanket or pad. The heating mat can get heat loss if uncovered.
  4. The power turns off automatically. The boiler has a safety device under it; if placed unstable, the power may turn off automatically. Please contact customer support if this occurs frequently.

California Proposition 65

⚠️ WARNING: Consuming this product can expose you to chemicals including lead and cadmium which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65Warnings.ca.gov/food

This warning is provided in accordance with California law. For more information, please visit www.p65Warnings.ca.gov/food

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