Gentle support for the small of your back, every day.
Ergonomic shape: a raised centre for the small of your back, two supports at the sides.
Memory foam: it moulds to your back, then slowly regains its shape.
In bed or on a seat: lying down, in the car or on a chair.
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- Free tracked shipping
- Secure payment
- Returns within 30 days, subject to conditions
Made for everyday life
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Lower back support
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Comfort at the office
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Handy in the car
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Easy to set up
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Memory foam
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Made for everyday life
Place Komua 11 in the small of your back, lying down or sitting: its memory foam fills the gap between your back and the mattress or backrest.
- Memory foam, 46 × 23 × 11 cm
- Breathable, removable cover
Simple support, wherever you settle.
Shipping & returns
Shipping & returns
Free shipping, no minimum order. Ships within 1–2 business days, then delivered in 7–10 business days.
Returns within 30 days of receipt, conditions apply.
Komua 11 · Ergonomic Lumbar Cushion

When to use it
Why choose Komua
- Shaped for the small of your back
- Memory foam
- In bed, in the car or on a chair
- Breathable, removable cover
How to use it
Four steps, no settings.
Why choose Komua 11?
| Criterion | Komua 11 | Standard backrest |
|---|---|---|
| Targeted support for the small of the back | ||
| Memory foam | ||
| Moves from one seat to another | ||
| Cover comes off for washing |
In detail
Description
Description
Komua 11 is a memory foam lumbar cushion. Its “butterfly” shape combines a raised centre, which fits the small of your back, with two side supports.
It measures about 46 × 23 × 11 cm. Its breathable 3D mesh cover closes with a hidden zip and comes off for washing.
Your questions about Komua 11
How do I use Komua 11?
How do I use Komua 11?
Place it in the small of your back, with the raised centre against your waist, then adjust its height until it feels comfortable. It can be used lying down (on your back or side) or sitting against a backrest.
Where can I use it?
Where can I use it?
In bed, on a car seat or on a chair, at the office or at home. It is easy to move from one place to another.
What are its dimensions?
What are its dimensions?
About 46 × 23 × 11 cm. As the measurements are taken by hand, a difference of 1 to 2 cm is possible.
How long does delivery take, and what does it cost?
How long does delivery take, and what does it cost?
Shipping is free, with no minimum order. Orders are processed within 1–2 business days, then delivered in 7–10 business days (estimated times). You’ll receive a tracking number as soon as your order ships.
Can I return the product?
Can I return the product?
You have a 14-day statutory withdrawal period from receipt to exercise your right of withdrawal, including for discounted items. Komua extends returns to 30 days after receipt: from day 15 to day 30, the product must be in a resaleable condition and some exclusions may apply, including discounted or final clearance items. To request a return, contact us at contact@komua.com. The direct cost of returning the product is your responsibility, except where the product is defective or damaged, or where we made an error. Full details in our return policy.
Which payment methods do you accept?
Which payment methods do you accept?
Payment is secure. The available payment methods are shown below the add-to-cart button and at checkout: bank cards, PayPal, Apple Pay or Google Pay, depending on your device and country.
How do I care for the cover?
How do I care for the cover?
Open the zip and remove the cover to wash it, following the care label. Do not wash the memory foam: simply air it.
How does the foam behave?
How does the foam behave?
The memory foam adapts to the pressure of your back, then slowly regains its shape within a few seconds. When unpacking, leave the cushion in the open air for a few hours.
Are there any precautions for use?
Are there any precautions for use?
Komua 11 is a comfort accessory. If you feel any discomfort, change position or remove the cushion. If pain persists, ask a health professional for advice. In the car, adjust your seat so that you can drive safely.
What if my product arrives damaged or defective?
What if my product arrives damaged or defective?
Contact us at contact@komua.com with your order number, a description of the problem and, if possible, a photo or video. We’ll offer you a free replacement or a full refund.
Still have a question?
Let’s talk before you order.
Write to us: we usually reply within 48 hours, Monday to Friday.
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Tips to go further
Lower back
Gentle support for the small of your back.
Komua 11 · Ergonomic Lumbar Cushion
Komua 11 slides into the small of your back, in bed, in the car or on a chair, with its memory foam.
Free shipping · 30-day returns, conditions apply

