1Get select king-sized mattresses for the price of a queen-sized mattress. Or get select queen-sized mattresses for the price of a twin-sized mattress. Savings applied to our low price. Savings vary by mattress set and model (max savings up to $700). Product selection may vary by store. Offer not valid on previous purchases, floor models, clearance items or Final Markdown. Other exclusions may apply. Limited quantities available; offer valid 5/1/19-6/4/19 or while supplies last. See store for complete details.