Harrison Onyx 7700



At Harrison, we tailor our beds and mattresses to you. We understand that everyone has different requirements from their bed, which is why we have developed three different ranges, all containing the highest quality natural fillings and the most innovative spring technology. Choose from one of our seasonal turn, no turn or pillow top Harrison mattresses.

The natural properties of our luxurious fillings allow us to create two
different surfaces to every seasonal turn mattress. With Warm for Winter wool blends on one sleeping surface and Cool for Summer cotton blends on the other, Harrison mattresses ensure you are exactly the right temperature all year round.

Alternatively, you may prefer a turn free mattress, which offers all the support you would expect from a Harrison mattress without the need to turn it with the seasons. This option is ideal for those who have back problems or difficulty lifting.

For a truly indulgent sleeping experience, a pillow top mattress could be the perfect choice. Layers of miniature springs in the in-built topper provide unrivalled comfort and support.

Comfort from Natural Fillings:

  • Flax Blend.
  • Wool,Cotton and Mohair blend.
  • Cotton blend.

Superior Award-Winning Support:

  • Revolution Spring System.
  • HD Lightweight Titanium Alloy Springs.
  • Double Side Stitching.
  • True Edge Base with 2500 Pocket Springs.
  • Suitable for Bed Frames.

For Your Health and Wellbeing:

  • Warm Side/Cool Side.
  • Purotex-Allergy Free.
  • HD Airflow-Breathable Springs.
  • Natural Viscose Mattress Cover.



You will be advised of an approximate delivery date at the point of order and this will vary depending on whether the item is in stock, to be ordered and if any special finishes or upholstery are required.  When we contact you to arrange delivery of your furniture, we will ask these questions:

Are there any access issues?  For example, road width, overhanging trees, cul-de-sacs (turning circle), driveways, tunnels, archways, gates, hedges (covering walls), security gates (codes) and parking restrictions.

Are there any restrictions inside your house? For example staircases, banisters, furniture in corridors, pictures or paintings on the walls.  Is there space in the room for your new furniture?

Will you be there to supervise delivery? If not, is someone else clear about exactly where the furniture should be located?

Supportive base:

Make sure your new mattress is put onto a divan or bedframe that is not damaged. It is highly likely that if your mattress needs replacing so does your bedframe or divan. If you have not purchased your bedframe from our shop please make sure that the gap between your slats is no more than 75mm apart.

Mattress Protector:

We strongly recommend that a good quality mattress protector is used at all times. This will help protect your new bed from stains, minimise wear and tear and keep the moisture that our bodies release during the night out of the fibres inside the mattress; therefore making the mattress last longer.

Please be aware that most manufacturers’ warranties are void if one is not used.


Do not worry if slight body impressions appear in the sleeping surface of the mattress. This is quite normal and is caused by the generous layers of fillings compacting under your body weight and shape. Gradually, all the fillings will compress to a near even level over the entire mattress surface. Following the turning and spinning instructions for your mattress will help aid this process. But you will still have slight impressions on the area where you sleep.

Airing your Mattress:

Give your mattress a good airing on a daily or weekly basis – simply leave the bed linen turned back for a few hours each time and allow air to circulate around and through the mattress.

Turning and Spinning your Mattress:

Traditionally designed mattresses (turnable) should be turned as frequently as possible preferably once a week for the first 12 weeks as follows:

  1. Start with the label on the mattress at the foot end and spin the mattress 180 degrees so the label is now on the top of the mattress under your pillow
  2. After a week, turn the mattress over completely so the label is now on the underside of the mattress at the pillow end
  3. After a further week, spin the mattress 180 degrees so the label is on the underside of the mattress at the foot end
  4. After a further week, turn the mattress over completely so the label is on the top side of the mattress at the foot end (the original starting position).

Thereafter repeat this process monthly.

Turn free Mattresses

If you have purchased a non turn-able mattress your mattress needs to be rotated 180 degrees weekly for the first 3 months and monthly thereafter.

Cleaning your mattress:

If your mattress is made of lots of layers of natural fibres and you will experience some fillings coming through the mattress this is normal please use a clothes brush regularly to brush these away.

Use a soft brush to remove dust and fluff from your mattress. Never use a vacuum cleaner. Stains and spillages should be absorbed using a dry cloth or paper towels. If you need to sponge the mattress, do so only with a damp cloth and the mildest solution of soap and water.


Never fold or roll your mattress, even for a short period of time. Your mattress is designed and constructed to be used in a flat position. Always store your mattress in a flat position.

In order to maximise your support around the perimeter of the mattress please avoid regularly sitting on the edge of the mattress in the same position for long periods.

From time to time you should always check that all screws for castors, feet, ling bars and headboards are secure.