The AOMED SD05 Long Back Board, made of durable high-density polyethylene (HDPE) by rotomolding technique, is durable, light and 100% x-ray translucent, CT and MRI compatibility, available to float on water for lifesaving rescue. SD05 backboard is featured with its good float capacity, easily used for water rescue; one adult lying on the backboard is available when lifesaving on water.