45-day returns. Even if you've used it, the return is free.
Welnexx Knee Wrap
A knee wrap for a short routine in your own chair — for knees that feel stiff, achy or worn, or as a gift for a parent.
Free shipping, no minimum · No extra charges at delivery
Even if you've used it, you can return it within 45 days of delivery at no cost to you — if we need it back, we email you a prepaid US return label.
How to use it
How to use it
- Sit in a steady chair with your feet flat on the floor.
- Fasten it while seated and line it up as the manual shows. Make sure you can undo it without standing up.
- Start at the lowest heat setting. Keep the first session short.
- Take it off and look at your skin. Move up a setting only if the lower one felt comfortable.
These are general steps. The exact times and button steps are in the manual; check the manual before your first use.
Shipping
Shipping
Shipping is free, with no minimum order. Orders are prepared in 1–3 business days and delivered in 6–12 business days by international shipping. There are no extra charges of any kind at delivery; taxes and duties are on us. If your order is late, we refund part of the price; if it never arrives, you get a full refund. Shipping Policy
Returns
Returns
Even if you've used it, you can return it within 45 days of delivery at no cost to you — if we need it back, we email you a prepaid US return label.
To start a return, email contact@welnexx.com with the order number, a photo and a short video. The photo and video can be simple: the product, as it is now, filmed on your phone. We reply within 1 business day and guide you through the rest by email. Refund Policy









Made for your own chair
A knee wrap for a short routine in your own chair
The Welnexx knee wrap is made for knees that feel stiff, achy or worn. You put it on sitting down, use it for one short round, and take it off in the same chair. It also works as a gift for a parent. The specifications are in the table below.
The Welnexx Knee Routine pairs an NHS seated knee movement with heat used only after a skin-and-knee check and within the manual's limits, plus a weekly 30-second chair count, with someone beside you, kept as your own record.
Four steps, one chair
The Welnexx Knee Routine
Move first, seated
In a steady chair with back support, straighten one knee and hold it for 3 seconds; the NHS lists 10 repeats, 1–2 sets. Ask a clinician which moves suit you. Skip this if your knee locks, gives way, swells markedly or cannot take weight.
Check, then the lowest heat
Before heat, check your skin and knee: no heat on a swollen knee, on broken skin or where feeling is reduced. Start at the lowest setting, 40 °C (104 °F), and stay within the manual's limits.
Look at your skin
Take it off in the same chair and look at your skin. Stop heat if the warmth felt uncomfortable or if you see marked redness or new swelling.
Count once a week
Once a week, with someone beside you, count how many times you stand up fully from a chair in 30 seconds, arms crossed on your chest. If you need your arms, stop and write 0. It is your own record, not a measure of the wrap.
Safety check before every use
- Do not use heat on a swollen knee, on broken or badly bruised skin, or where feeling is reduced (for example from diabetic nerve damage, poor circulation or numbness). Ask a clinician first.
- Never use it while asleep.
- Stop heat if the warmth feels uncomfortable, or if you see marked redness or new swelling.
- Get prompt medical advice if the knee locks, gives way, swells markedly, cannot take weight, or hurts very badly. Get urgent care for a hot, red, swollen joint with fever.
- After a sports injury, knee surgery or a fall, see a clinician before use.
From the listing
Specifications
Values as stated in the manufacturer's product listing (October 2026). They are not our own measurements.
| Item | Listing statement |
|---|---|
| Heat settings | 3: 40/42/45 °C (104/108/113 °F) |
| Vibration settings | 3: Auto/Low/High |
| Automatic stop | 10-minute timer |
| Battery | 3000 mAh; about 5–8 uses per charge |
| Charging | USB-C, DC 5V 2A; first charge about 2–3 hours |
| Control | LED touch screen (control display) |
| LED | 660/850 nm |
| Size | 24 × 15.6 × 15.8 cm |
| Weight | 975 g (another listing value says 600 g) |
| Materials | ABS, knitted cotton, memory foam |
| In the box | 1 device, 1 manual, 1 USB-A to USB-C cable |
| Strap length | Not stated in the listing; see the manual |
Frequently asked questions
Can I return it after I've used it?
Yes. Even if you've used it, you can return it within 45 days of delivery at no cost to you — if we need it back, we email you a prepaid US return label.
How do I start a return?
To start a return, email contact@welnexx.com with the order number, a photo and a short video. The photo and video can be simple: the product, as it is now, filmed on your phone. We reply within 1 business day and guide you through the rest by email.
What do I get back if I return it?
The refund goes to the original payment card. You get the full product price back. Shipping was free, so there is no shipping charge to refund or to deduct.
Is there a warranty?
There is no separate warranty. The 45-day return covers you instead: it applies even if you've used it, and the return costs you nothing.
Who can start the return on a gift?
The gift recipient can start a return with the order number; the refund goes to the original payment card.
Will it fit my knee?
The listing gives no strap length, so try it on seated: fasten it, line it up as the manual shows, and make sure you can undo it without standing up. If it does not fit, you can return it, even after trying it on.
How long does delivery take?
Orders are prepared in 1–3 business days and delivered in 6–12 business days, with free shipping and no extra charges on delivery. If an order arrives 10 or more days after the promised delivery date, 5 percent of the product price is refunded; if it has not arrived 30 days after the order, 15 percent is refunded, whatever the reason. The two do not add up: the most refunded for one order is 15 percent.
Will I pay anything at delivery?
No. There are no extra charges of any kind at delivery. Taxes, duties and customs fees are on us.
Can I use it while I sleep?
No. Never use it while asleep. Check your skin after each use.
Is this a medical product?
We make no medical claims for this wrap. It does not replace care from a clinician. If you have a medical condition or reduced feeling in your skin, ask a clinician before use.
How do I contact you?
Email contact@welnexx.com and include your order number if you have one. We reply within 1 business day.
Refund Policy · Shipping Policy · Privacy Policy · Terms of Service · Contact
45-day returns. Even if you've used it, the return is free.
Even if you've used it, you can return it within 45 days of delivery at no cost to you — if we need it back, we email you a prepaid US return label.
To start a return, email contact@welnexx.com with the order number, a photo and a short video. The photo and video can be simple: the product, as it is now, filmed on your phone. We reply within 1 business day and guide you through the rest by email. Refund Policy