As pictured, fairly solid. The slats flex some. Ezpz assembly, all pieces marked and tools provided. Worth the price, but upgrading someday.

Edit: This baby starts to squeak like none other after a while.  I will be attempting to tighten the bolts, and if that doesn't alleviate the noise produced by the frame when I roll over (or even get in and out of bed), I might add some felt spacers to the junctions.