Just Lie Down for 10 Minutes. Let Your Lower Back Unwind.
LumbarFlex™ Pro — Lower Back Stretcher & Massager with Heat, Airbag Traction & Vibration Therapy
LumbarFlex™ Pro — Lower Back Stretcher & Massager with Heat, Airbag Traction & Vibration Therapy
4-in-1 Relaxation System
Adjustable Airbag Traction
10-Minute Smart Sessions
10 Comfort Levels
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Shipping & Returns
Shipping & Returns
Orders are normally dispatched 3-5 business days after being placed.
Priority Processing (Skip the Queue). Orders are dispatched in 1-2 business days after being placed prior to other orders in the queue.
Estimated Delivery Time is 5-8 business days depending on your location. Get more details here.
We offer an extended 60-day no-risk guarantee. If you are unsatisfied with your Reliff's product for any reason, you can return it for a full refund within 60 days of your purchase. Learn more.
Try It 60 Days Risk-Free
You're going to love the LumbarFlex™ Pro — Lower Back Stretcher & Massager with Heat! That's why we're happy to offer you a Risk-Free Trial Period. You can confidently try it, and if you aren't satisfied or loving the results, you can send it back within 60 days for a full refund.
Lumbar Flex Pro is Professionally Recommended to Treat:
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Lower Back Pain
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Sciatica Nerve
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Si Joints Dysfunction
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Lumbar Lordosis
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Herniated Disc
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Pelvic Pain
Start Your Morning Looser. End Your Day More Comfortable.
Why You'll Love LumbarFlex™ Pro
Because Your Lower Back Needs More Than Warmth Alone
New Design. New Technology. More Support.
6 Features That Set It Apart
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① Dual Airbag Stretching System
Two independent airbags inflate and deflate in controlled cycles — creating a gentle push-pull motion (up and down) and a lateral rocking motion (left and right). This multi-directional stretching helps open up the lumbar area, providing a sensation similar to a guided stretch. 10 intensity levels let you start soft and gradually increase as your body adapts.
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② 3-Level Adjustable Heat (42°C / 46°C / 49°C)
Constant-temperature heating warms the lower back muscles and surrounding tissue. Three levels let you choose the warmth that feels right — from a gentle warm setting for sensitive users to a deeper heat for those who prefer more intensity. The heat works alongside the traction to help muscles relax more effectively during each session.
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③ Multi-Frequency Vibration
Variable-speed vibration covers the full lumbar contact area — not just a single pressure point. It helps loosen surface-level muscle tension and creates a soothing massage sensation that complements the deeper airbag stretch.
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④ Built-In Infrared Warmth
Infrared elements provide a warming effect that goes beyond surface heat, helping to warm the deeper tissue layers for added comfort during each session.
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⑤ Ergonomic S-Curve Cradle
The device is contoured to follow the natural curve of your lower back — not flat like a typical cushion. Dual side supports reduce lateral pressure while the central dome provides targeted lift. Place it on your bed, the floor, or a yoga mat, lie down, and it conforms to your body shape.
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⑥ Smart Controls & 10-Minute Timer
Three pre-set modes (M1, M2, M3) combine traction, heat, and vibration in balanced sequences. A wired remote lets you adjust everything without sitting up. The 10-minute auto-shutoff keeps each session consistent and prevents overuse.
How is it Different?
Not As Your Regular Back Brace
QUESTIONS? LOOK HERE!
Can't find question? Email us help@reliff.com
How does the airbag traction work?
The LumbarFlex™ Pro has two independent airbags that inflate and deflate in controlled cycles. This creates a gentle up-and-down push-pull motion and a side-to-side rocking stretch. You control the intensity across 10 levels using the included wired remote, so you can start gentle and adjust as you get comfortable with the device.
How soon will I notice something?
Most users describe feeling a sense of looseness and relaxation in their lower back after their first 10-minute session. Individual experiences vary depending on your body, your level of stiffness, and how consistently you use the device.
NOTE: Standing in a relaxed position, measure waist at the level of navel (belly button). Please, use a flexible tape measure or a string. Do not select by pants size.
|
Size |
Waist (cm) |
Waist (inch) |
|
S |
60 - 75 |
23.6" - 29.5" |
|
M |
75 - 95 |
29.5" - 37.4" |
|
L |
95 - 115 |
37.4" - 45.3" |
|
XL |
115 - 130 |
45.3" - 51.2" |
|
XXL |
130 - 145 |
51.2" - 57.1" |
Is this a medical device?
No. The LumbarFlex™ Pro is a personal wellness and relaxation device — not a medical device. It is not intended to diagnose, treat, cure, or prevent any disease or medical condition. If you have a spinal condition, recent injury, or are under medical care for your back, please consult your healthcare provider before use.
Can I use it in bed?
Yes — that's the most popular way to use it. Place the device on your mattress, lie back so it sits under your lower back, and use the remote to select your preferred mode and intensity. It also works well on the floor, a yoga mat, or any firm, flat surface.
How long is each session?
Each session runs for 10 minutes via the built-in auto-timer. This is the recommended duration. You can use it multiple times per day with at least 30 minutes of rest between sessions.
Is it noisy?
The airbag inflation produces a soft, quiet hum — comparable to a blood pressure cuff. The vibration motor is quiet even at higher settings. Most users comfortably use it while watching TV or before sleep.
Does it use batteries?
No — it's plug-in (18W, universal power adapter included in the box). This ensures full, consistent power to the airbag system and heating elements every session.
What is your return policy?
We offer a 60-day return window on every LumbarFlex™ Pro purchase. If it's not right for you, contact us at help@reliff.com and we'll arrange a full refund.