areas to define a central slot or pocket which receives a stiffener panel 36 as best seen in fig1 referring now to fig2 and 11 handle sections 38 made of sheet plastic material like that of the casing sheets are provided with hand openings the sections 38 are heat sealed to the opposite side extremities of the stiffener sections 30 and 34 to provide four handles 40 as best seen in fig2 the casing interior 24 is partially filled with a plurality of any suitable discrete elements or beads 42 operative upon evacuation of the casing to become a rigid solid mass as is well known in the art these beads can be made of expanded or solid plastic material such as polystyrene or polyvinylchloride or if desired they can be made hollow and therefore be compressible to reduce the formation of large wrinkles in the casing upon evacuation the loose beads 42 and flexible casing permit the casing side edges to be formed up against the sides of the person being supported to cradle and support the person on the casing during this positioning of the casing the beads 42 are urged into conformity with the person 39 s body by an attendant or orderly typically the beads are concentrated in those regions where greater support or rigidity is required as best seen in fig2 a longitudinally oriented strap 44 is suitably mounted to the exterior of the back sheet 22 it extends over the head end of the casing and through the space between the leg portions 28 this strap is designed to be disposed over the top and underneath the seat of a wheelchair vehicle etc not shown to secure the support 10 in place in.