Full depth rigid side box frame with full wave performance. No wave reduction and full motion body support. 20 mil premium vinyl body profile sleep surface. Generously overcut low tension mattress design. Weightless feel featuring gravity neutral fluid suspension mid-body support. Double strength, reinforced durable ultra guard corners. The controlled heated waterbed allows the body weight to be distributed more evenly over the surface. This eliminates pressure on various parts of the body, the shoulders, small of back, hip, tail bone and heels. Circulation is improved. The motion and warmth of the bed helps a person to relax, improve his/her comfort levels and helps in producing better sleeping habits.