Easy to install and cost effective solution for those who require assistance whilst in bed. This simple to use, lightweight mattress raiser allows the user to raise or lower any existing mattress, up to 450mm (18') thick. Ideal for sufferers of acid reflux, hiatus hernia, or simply for those who would like to read, eat or watch television in bed. The air bladder reverts completely flat when not in use with a touch of a button. The hand controller features illuminated buttons for those with limited vision. Consists of 3 pieces; a wedge shaped air bladder, an electric air pump and a hand controller. Available in three mattress sizes; single, double and queen, all which can be maintained at an angle of 39°. The single inflatable wedge can lift up to a maximum load of 227kg (353/4st), the double and queen wedges can lift up to 454kg (71st). Overall width range; single 900mm (36'), double 1350mm (54') and queen 1500mm (60'). Weight 4kg.