GENTLY FIRM FEEL. The Chiropractic range is recommended by registered chiropractors for providing optimal spinal support. South Australian made, this Queen mattress is covered with quality Australian fabric with anti dust mite protection. Single sided mattress with a euro top style pillow top. The Orthopedic springs in this mattress are made from Australian steel. 10 YEAR GUARANTEE ———-Available in all sizes – King, Queen (as pictured), Double, King Single & Single – as an ensemble or just a mattress .