One of the elements of portable support surface which give wheelchair users their greatest independence is the ability to transfer in and out of their wheelchairs, in and out of vehicles, etc. Since the portable water bed is divided into individual components and made weight less, it is easy to transport and made user-friendly. The cost of a full size water bed is around Rs 5000 and this portable support surface costs only Rs 800; hence, it very cheaper and affordable to all categories of patients.