Walmart discounts a selection of Spa Sensations 6" Memory Foam Mattresses, as listed below. Plus, all orders receive free shipping. That's tied with our mention from last week and the lowest total price we could find. Each mattress features a top memory foam layer and high-density foam base layer. The sizes:
  • Twin for $99 (low by $22)
  • Twin XL for $109 (low by $28)
  • Full for $119 (low by $26)
  • Queen for $139 (low by $39)
  • King for $159 ($20 off)