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Kingsley Medium Mattresses - Advantage Collection by Sealy

Kingsley Medium Mattresses - Advantage Collection by Sealy

Regular price £599.95 GBP
Regular price Sale price £599.95 GBP
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The Kingsley mattress by Sealy combines a luxurious pillow top with Gel-infused comfort. Packed with technology, including Sealy’s unique spring technology, which is designed to respond to the heaviest parts of your body, applying the right level of support for a deep and long lasting night’s sleep.

Geltex comfort layer provides pressure relief to the areas of your body that need it most. As you sleep, Geltex allows air to circulate easily throughout the mattress, regulating your body temperature. Complete with a generous plush top, the Kingsley mattress offers a sumptuously soft feel. Adding the finishing touch is the carefully selected fabrics, each uniquely designed and made to the highest quality, perfect for those looking to upgrade their sleep space.


The Heart & Soul of Sleep

Sealy.. its where sleep matters. Explore our selection of mattresses in store to learn more about the different ranges, spring systems and firmnesses Sealy has to offer all at a great price. 

More Information


Enginnered to offer consistent deep-down support.
Provides edge to edge support and durability.
Complete with a pillow Top layer for sumptuous comfort.
Gel-infused comfort with added ability.
Sealy Medium foam.

Mattress Dimensions

  • Single: 90 x 190 cm Depth 28cm
  • Double: 135 x 190 cm Depth 28cm
  • King: 150 x 200 cm Depth 28cm
  • Super King: 180 x 200 cm Depth 28cm

Additional Information

Available in single, double, king size and super king size


We will confirm the delivery time on receipt of your order in accordance with the manufacturer's guidelines.

On all our own stock items, we aim to deliver within 5-7 days. However, some manufacturers' standard delivery times for bed frames and mattresses in the UK are between 5-20 working days after confirmation of payment (delivery terms are based on stock availability).

It is essential that we have your mobile phone number when processing your order, since this is key when arranging delivery. Unfortunately, we cannot dispatch an order without one.

A member of our team or one of our couriers will contact you to confirm the delivery day and a dedicated delivery time slot if necessary. The customer is responsible for ensuring that someone is home to receive delivery. It would be appreciated if you let our team or the courier know right away if delivery cannot be made. Failure to accept delivery can result in return visit charges.

Our deliveries are made by a dedicated two-man team who take them to the room of your choice. All items are sent via dedicated courier service that always requires a signature. Please always check all boxes are present and undamaged before signing.
Additional charges may apply to certain areas of South Wales & Scotland.


Register your Sealy Guarantee here;

Sealy Classic - 5 Year Guarantee
Sealy Posturepedic - 7 Year Guarantee

In the unlikely event of a material or workmanship defect within the 5 or 7 year guarantee period, Sealy will arrange to repair or replace you product at their discretion.

Sealy reserves the right to refuse service with any defect if:
1. The defect is due to causes other than faulty materials or workmanship.

2. The item is soiled and in an unsanitary condition.

3. Any of the terms and conditions are not abided by in full.

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