The Capsule Gel Luxury 28cm Medium / Medium - Firm Comfort Deep Mattress offers a 1500 pocket spring unit, with foam encapsulated supportive side walls and 30mm cooling gel to help you have a relaxing night's sleep. Finished in a luxury knitted micro-quilted top panel with with a quilted border, the Capsule Gel Luxury Mattress features air vents for increased air flow and horizontal handles for easy lifting. Available in 135cm Double, 150cm King-size and 180cm Super-King size, this mattress is part of the Capsule Mattress Collection. This mattress is delivered boxed and vacuum packed.