We just ask that you give your new King Koil mattress a proper trial run…

Use for at least 60 days after delivery and if you feel that you would prefer a different mattress from our collections, just contact us on 9090@mcdermotts.ie anytime between 60 and 90 days after your mattress was delivered and we will get the ball rolling. You will need the original sale number and we will get back to you to detail the process on how to avail of our unique Ninety Night trial.

Whats the catch? Just a small handling fee of €39. See full T+Cs below.

Terms & Conditions

Look after your King Koil mattress and we will look after you!

Make sure to include a mattress protector to your shopping cart before checkout and we will give you ninety nights of zzz’s to fully test out your new Irish-made King Koil mattress.

Although we’re sure you will be inseparable…if you haven’t fallen in love within Ninety Nights we will give you 90% back towards a new mattress in store.

The following terms and conditions apply:

  • Offer open to online sales only (in-store transactions excluded)
  • An appropriate mattress protector MUST be purchased and USED with the original order
  • Does not apply to rental or commercially used mattresses
  • Returned mattress must be deemed clean at our discretion
  • One time offer – not available for the alternative mattress purchased
  • Replacement mattress must be of equal or higher value than the original
  • Handling fee of €39 per returned mattress