This 20cm memory foam mattress will relieve pressure as it molds itself to the contours of your body. Instant comfort for a better nights sleep. Get with the times and enjoy the best nights sleep of your life with this luxurious 20cm memory foam mattress, now available from TJ\'s. Choose from single, double or king size and sink into a deep, comfortable slumber as the mattress molds effortlessly to the shape of your body. This 20cm deep memory mattress is particularly good if you suffer with stiff muscles or general aches and pains, a lot of which can be brought on by an uncomfortable sleep or poor mattress. You can\'t put a price on a great nights sleep but with this discount deal, good quality rest is worth an investment. Please remove your mattress from all packaging and allow to air for a MINIMUM of 72 hours at an ideal room temperature of 20-25 degrees which will allow your mattress to fully regain its original shape and size after being compressed for a long period. A longer time may be required if the room is at a cooler temperature. Temperature sensitive Molds to your body Non Allergenic Removable Cover: 100% Polyester(Hand Wash) Filling: 87% Polyurethane Foam, 13% Elastic Foam (Damp Wipe, Natural Dry Only) Single: 90cm x 190cm x 20cm Double: 135cm x 190cm x 20cm  King Approx: 150cm x 200cm x 20cm