Diamond Mattress The Rock Express Extra Firm

Are you looking for a firm mattress?  Not a "kind-of firm" mattress, but a FIRM mattress? Meet The Rock Express Extra Firm, Diamond Mattress' firmest mattress (as far as we know).  If you like a firm mattress The Rock Express Extra Firm is the way to go.  Individually wrapped coils support your spine while HD foams... kind of cushion you.  Have we mentioned it's firm, firm beds aren't going to conform all that much.  Backed by Diamond Mattress' 20 Year Warranty.    Features Firm Feel Like, REALLY Firm HD Foams It's called "The Rock" for a reason Dynamic Individually Wrapped Coils 20 Year Warranty If you weigh less than 100lbs it's like laying on the floor.