Jet.com offers the Slumber 1 8" Comfort Spring Mattress in various sizes, with prices starting at $69.01. Coupon code "WAREHOUSE30" cuts the starting price to $48.30, as listed below. Plus, all sizes receive free shipping. That's $21 under the starting price of last week's mention, up to $39 off, and the lowest price we've seen for this mattress in each size. It features 7.5" pocketed iCoils, a CertiPUR-US certified 1/2" comfort foam layer, and knitted jaquard cover. Deal ends September 16. The sizes:
  • Twin for $48.30 ($21 off)
  • Full for $62.30 (pictured, $27 off)
  • Queen for $76.30 ($33 off)
  • King for $90.30 ($39 off)