This deal has ended.
Walmart.com drops the Sleep Revolution Twin Size Spring Mattress-in-a-Box, model no. 001767819, to $219. Shipping is free with site-to-store or $29.97 for shipping to your home. Even with shipping, that's the lowest total price by $4. It features a 2.5" foam pillow top layer, rebound technology, and more. Sales tax is charged in most states.