A flaxseed pillow is a fabric pack filled with flaxseed that you warm in the microwave or chill in the freezer. It is a heat and cold pack in a pillow shape for your neck, shoulders or eyes, and not a pillow to sleep on.
Heat and cold are common home care for neck pain. The NHS suggests a hot water bottle wrapped in a tea towel for 20 minutes, 2 to 3 times a day, or a pack of frozen peas wrapped in a tea towel for 5 minutes, 3 times a day.[2] A flaxseed pack does the same job and molds to the neck. Microwaved packs can burn skin and start fires, so this guide covers the safe way to use them and five packs that are in stock on the web US.
Disclaimer: This article is general information, not medical advice. Heat and cold packs can burn skin, and a microwaved grain pack can catch fire. Follow the label on your pack. See a doctor if pain does not go away after a few weeks.
Flaxseed pack safety basics
- Heating pads can cause severe burns if they get too hot or stay on one area too long. Put cloth between the pack and your skin.[1]
- Heat for about 10 to 30 minutes at a time. Cedars-Sinai says it is generally not OK to use a heating pad when you go to sleep.[1]
- Follow the heating time on the label and do not leave the microwave unattended. A heating time set to 30 minutes instead of 3 has caused fires.[3][4]
- Let the pack cool completely before you reheat it, and do not use it to warm a bed or keep it under blankets.[3][4]
- Check the pack for scorching, burnt smells or wear, and stop using it if it is damaged.[3][4]
Key Specs
| No. | Product | Type | Fill / material | Cover | Sizes | Care |
|---|---|---|---|---|---|---|
| 1 | SunnyBay Flaxseed Neck | Heat and cold neck pack | Whole flaxseed | Washable cover | 2.5 lb | – |
| 2 | Sacsy Thyme Unscented Flaxseed | Heat and cold pad | 100% natural flaxseed | Cotton | 12 x 7 in, 2.2 lb | – |
| 3 | HappyWraps Herbal Neck Wrap | Heat and cold neck wrap | Flaxseed and 12-herb blend | Cotton | 10 x 8 x 3 in, 2.5 lb | – |
| 4 | Liberty21 Flax Eye Pillow | Eye pillow | Organic flaxseed | 100% cotton | 9.5 x 4 in | – |
| 5 | Perfection Collection Migraine Eye Pillow | Eye pillow | Flaxseed | Cotton with satin backing, removable | – | Cover is machine washable |
– = not stated by the maker. Specs as stated by the maker, not tested by us.
The Flax Seed Pillow
A flaxseed pillow is a cover filled with flaxseed, an oil-rich seed. The seeds move around inside the cover, so the pack molds to your neck, shoulders or eyes. You can heat it in the microwave or chill it in the freezer.
Keep the flaxseed dry. Water makes flaxseed soggy and gel-like, which ruins the pack.
Benefits of a Flax Seed Pillow
- Warmth – You can reheat the pack many times. Cedars-Sinai says heat dilates the blood vessels, increases blood flow and helps loosen tight muscles and ease stiffness around joints.[1]
- Cooling – Flaxseed packs can go in the freezer or fridge for cold therapy. The NHS suggests a cold pack wrapped in a tea towel for neck pain.[2]
- Moldable – The loose seeds shape themselves to your neck or shoulders.
- Reusable – There is no water to refill, and a plug-in is not needed. If you prefer electric heat, see our USB heated pillows.
How to Use a Flax Seed Pillow Safely
Fire services publish these rules for microwaved wheat bags. A flaxseed pack is heated the same way, so the same rules apply.[3][4]
- Follow the Label – Use the heating time on the pack. Greater Manchester Fire and Rescue says not to heat for more than 3 minutes, and to watch for burning smells or smoke.[3]
- Stay Near the Microwave – Do not leave the pack unattended while it heats, and set the timer carefully.[4]
- Let It Cool – Do not reheat it until it has cooled completely. Cool it on a non-combustible surface.[3]
- No Oils – Adding oils can soak the fabric and make it more flammable.[3] Several packs below are already scented, so do not add more.
- Not for Sleeping – Do not use it as a bed warmer, keep it under blankets or sleep with it.[3][4]
- Skin – Put cloth between the pack and your skin, and use it for about 10 to 30 minutes.[1]
Features of a Good Flax Seed Pillow
- Cover – Look for sturdy cotton, flannel or a similar natural fabric, and a cover that is removable for washing.
- Fill – Pure flaxseed with no added oils. A mix of flaxseed with herbs is for scent only.
- Size – A C-shaped wrap suits the neck, a flat pad suits the back or shoulders, and an eye pillow is only for the eyes.
- Durability – Look for strong stitching, and check the seams for wear before each use.
How We Chose These Pillows
These picks come from research. We compared the makers’ specifications, the The web product pages and buyer feedback, and we checked that every pick is in stock on the web US. We did not test the pillows ourselves.
We looked at these factors:
- Safety – Whether the pack has clear heating instructions.
- Fill – Whether it is pure flaxseed or a mix with herbs.
- Design – Whether it suits the neck, back or eyes.
- Care – Whether the cover is removable or washable.
Frequently Asked Questions (FAQ) About Flax Seed Pillows
- How do I heat a flaxseed pillow?
Heat it in the microwave for the time on the label, and no more. Greater Manchester Fire and Rescue says not to heat wheat bags for more than 3 minutes, and not to leave the microwave unattended. - How long should I use a flaxseed pack?
Cedars-Sinai says heat should stay on for about 10 to 30 minutes. If it is on too long, it raises the risk of burns.[1] - Can I use a flaxseed pack for neck pain?
The NHS lists heat or cold packs among the things you can do for neck pain. It suggests a hot water bottle wrapped in a tea towel for 20 minutes, 2 to 3 times a day, and says to see a GP if the pain does not go away after a few weeks.[2] - Can I freeze a flaxseed pack?
Yes. The packs below can be chilled in the freezer. The NHS suggests wrapping a cold pack in a tea towel, for 5 minutes, 3 times a day, for neck pain.[2]
Our Picks: Flax Seed Pillows
Here are five flaxseed packs that are in stock on the web US, three for the neck and shoulders and two for the eyes.
We hope you love the products we recommend!
We may collect a share of sales or other compensation from the links on this page. This does not change your price.
1
SunnyBay® Flaxseed Neck C-Shaped Microwavable Neck Pillow
Currently unavailable
The SunnyBay Flaxseed Neck is a C-shaped neck pillow filled with whole flaxseed that you heat in the microwave or chill in the freezer.
- It is shaped like a travel pillow and drapes over the neck and shoulders.
- The seeds slip around and mold to your body contours.
- The cover is washable, and the pack weighs about 2.5 pounds.
2
Sacsy Thyme® Unscented Flaxseed Microwave Heating Pad
Currently unavailable
The SacksyThyme Unscented Flaxseed is a 12 x 7 inch flaxseed pad with no added fragrance or herbs, made in the USA.
- The label gives a microwave time of 90 seconds to 2 minutes, and says not to go past 2 minutes. Let it cool completely before reheating.
- It gives 20 to 30 minutes of moist heat, and you can freeze it for cold therapy.
- The pad weighs about 2.2 pounds.
3
HappyWraps® Herbal Neck Wrap Flaxseed and Herb Neck Pillow
Currently unavailable
The Happy Wraps Herbal Neck Wrap is a one-size neck wrap filled with flaxseed and a 12 herb blend for aromatherapy, made in the USA.
- The label says to microwave it for 1 minute, or chill it in the freezer for cold therapy.
- The wrap weighs about 2.5 pounds.
- A free sleep mask comes with it.
4
Liberty21® Flax Eye Pillow Hot and Cold Eye Pillow Set
Currently unavailable
The Liberty21 Flax Eye Pillow is a set of two 9.5 x 4 inch eye pillows of cotton filled with organic flaxseed. It is an eye pillow, not a neck pack.
- The label gives 20 to 25 seconds in the microwave, and you can chill it in the freezer.
- Each pillow stays warm or cold for about 20 to 25 minutes, then flip it over.
- It blocks out light, so it also suits yoga and meditation.
5
Perfection Collection® Migraine Eye Pillow Flaxseed Eye Pillow with Washable Cover
Currently unavailable
The Perfection Collection Migraine Eye Pillow is a flaxseed eye pillow with a satin backing and a bonus washable slip cover. It is an eye pillow, not a neck pack.
- The weight sits on the brow and eyes, and it blocks out light.
- You can heat it in the microwave or chill it in the freezer.
- The flaxseed, cotton fabric and backing are made in the USA.
Index Table: Flax Seed Pillows
| No. | Product | Image | Features | Brand |
|---|---|---|---|---|
| 1 | SunnyBay Flaxseed Neck - C-Shaped Microwavable Neck Pillow |  |
| SunnyBay |
| 2 | Sacsy Thyme Unscented Flaxseed - Microwave Heating Pad |  |
| Sacsy Thyme |
| 3 | HappyWraps Herbal Neck Wrap - Flaxseed and Herb Neck Pillow |  |
| HappyWraps |
| 4 | Liberty21 Flax Eye Pillow - Hot and Cold Eye Pillow Set |  |
| Liberty21 |
| 5 | Perfection Collection Migraine Eye Pillow - Flaxseed Eye Pillow with Washable Cover |  |
| Perfection Collection |
Sources
- Cedars-Sinai. How to Use a Heating Pad to Heal and Ease Pain From Muscle Injuries. Accessed October 26, 2026.
- National Health Service (NHS). Neck pain. Accessed October 26, 2026.
- Greater Manchester Fire and Rescue Service. Wheat bag safety. Accessed October 26, 2026.
- Fire and Rescue NSW. Wheat filled heat packs (wheat bags or wheat packs). Accessed October 26, 2026.
Update History
- Oct 2026: Rewrote the article around Cedars-Sinai, NHS and fire service safety guidance, added a safe-use section, removed the claims that flaxseed is healthier, safer and hypoallergenic and the all-night comfort claim, rewrote all five product notes and replaced the Sources
- Oct 2026: Replaced unavailable products: Relaxation in a Bag Neck Pillow with SunnyBay Flaxseed Neck Pillow
- Oct 2026: Removed PeaceGoods Lovewrap Pillow, Kennedy Silky Eye Pillow, Kimmieko Weighted Pillow, Savasana Now Unscented Pillow and Bamboobies Soothing Pillows (unavailable)
- Oct 2026: Added a Key Specs comparison table and a Sources section
- Feb 2022: Added SacksyThyme Unscented Flaxseed Pad
- Jul 2020: Added Savasana Now Unscented Pillow and Bamboobies Soothing Pillows
- Mar 2020: Added Relaxation in a Bag Neck Pillow, Happy Wraps Herbal Neck Wrap, Liberty21 Flax Eye Pillow, Perfection Collection Migraine Eye Pillow, PeaceGoods Lovewrap Pillow, Kennedy Silky Eye Pillow and Kimmieko Weighted Pillow
- Aug 2019: Published
