This 90mm (31/2') deep, pressure distributing overlay is permanently fitted on top of a traditional sprung mattress.
The top surface is covered in a vapour permeable, two-way stretch wipe clean material, whilst the base is covered with a tough coated PVC for sliding over any surface like stairs.
It is held onto the bed with tucks which double as cocooning flaps to secure the user in transit and the flexible nature of the overlay enables narrow stairs and doorways to be negotiated. With this device the user does not have to be transferred. Two people required for evacuation.