Inflatable Mattress Raise: 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 18inch 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 Inflatable Mattress Raiser 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 degrees. The single inflatable wedge can lift up to a maximum load of 227kg 35 3/4st. 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. For further information please contact your local shop or call 01908 644133. We look forward to hearing from you. You will be able to select your desired size after you have clicked 'Buy'.