The 1000 individually pocketed springs in the MaxiTEX Magic Latex Pocket 1000 Mattress (king size) evenly distribute and support your body weight, allowing added comfort and support for a more restful nights sleep. 1 inch of Latex Foam layer lies above the pocket spring unit. Latex foam is a premium quality material derived from the sap of the rubber tree. The MaxiTEX Magic Latex Pocket Mattress offers exceptional comfort, it has natural elasticity, with instant rebound so it quickly recovers its shape. Unlike memory foam Latex is not temperature sensitive, so it does not have heat retentive properties making it is ideal for those who prefer to be cooler in bed. The MaxiTEX Magic Latex Pocket 1000 mattress features a removable easy clean washable cover, allowing you to keep your mattress clean and fresh. This mattress is also hypo-allergenic making it ideal for children and adults who suffer from allergies.