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Extended Life 3000
Benefits: King Koil Extended Life mattresses are engineered to be durable and supportive for anybody, from big and tall people down to the most petite individual. These heavy-duty-plus mattresses are built to last - with a warranty against sagging or body impressions for 25 years! Our XL Mattress Collection features the eXtended LIfe Foundation, which surpasses the standard wooden foundation with three times the support. We use the most resilient high-density foams and memory foams, the most durable natural latex, and every high-performance feature to maintain a long-lasting, restful and healthy sleep.