Massage Mattress Topper 7 Zone by Kingtex features Materials: Microfibre cover with Microfibre fill Thickness: 5cm and 1200GSM Machine Washable Contoured 7-zone construction provides firm support for Head and neck, Shoulders, Torso and Legs. Aims to relieve pressure and muscle pains. Aims to adjust to your body curves and align the spine. Provides cushioning without deep contouring. Helps minimise motion transfer for uninterrupted sleep. Helps optimise comfort at the head, shoulders, hips, knees, and ankles. Dimensions Single: 91cm x 193cm x 45cm King single: 107cm x 203cm x 45cm Double: 137cm x 193cm x 45cm Queen: 153cm x 203cm x 45cm King: 183cm x 203cm x 45cm